{"title":"Zinc Bolts for EZ Loader Trailers","description":"\u003cp\u003e\u003cstrong\u003eEZ Loader zinc bolts\u003c\/strong\u003e are zinc-plated replacement trailer bolts used for boat trailer hardware, brackets, bunks, rollers, suspension, and frame service.\u003c\/p\u003e\n\u003cp\u003eZinc bolts, more accurately called \u003cstrong\u003ezinc-plated bolts\u003c\/strong\u003e, are steel fasteners coated with a thin layer of zinc to help reduce rust and corrosion. EZ Loader uses zinc-plated hardware on many trailer applications because it provides a practical balance of strength, corrosion resistance, availability, and cost for real-world boat trailer use.\u003c\/p\u003e\n\u003cp\u003eThe zinc coating acts as a \u003cstrong\u003esacrificial protective layer\u003c\/strong\u003e. In simple terms, the zinc coating is designed to corrode before the underlying steel bolt. This helps protect the fastener and slows the spread of rust, especially in areas exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003cp\u003eBoat trailers live in a tough environment. Hardware is exposed to vibration, water, salt, road grime, heat, and repeated loading. Using the correct zinc-plated bolt helps maintain proper clamping force and reduces the chance of creating a severe corrosion point where trailer parts attach.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader trailers commonly use zinc-plated bolts because they offer strong, dependable fastening performance while helping manage corrosion in trailer hardware locations. Zinc plating is not just for appearance. It helps protect the steel fastener and supports the trailer’s overall durability.\u003c\/p\u003e\n\u003cp\u003eIn saltwater and wet environments, zinc works as a sacrificial coating. That means the zinc layer gives up first, helping slow corrosion on the steel bolt underneath. This is one reason zinc-plated hardware remains common on boat trailers, brackets, rollers, bunks, suspension parts, and frame-mounted components.\u003c\/p\u003e\n\u003cp\u003eEZ Loader’s goal is to provide a strong overall trailer package for the consumer. Zinc-plated hardware supports that goal by offering a practical balance of strength, serviceability, corrosion resistance, and cost.\u003c\/p\u003e\n\u003ch3\u003eCommon Uses for Zinc Trailer Bolts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBunk bracket hardware\u003c\/li\u003e\n\u003cli\u003eRoller bracket hardware\u003c\/li\u003e\n\u003cli\u003eGuide and support hardware\u003c\/li\u003e\n\u003cli\u003eSuspension and axle-related hardware\u003c\/li\u003e\n\u003cli\u003eFrame-mounted trailer hardware\u003c\/li\u003e\n\u003cli\u003eWinch stand, bow stop, and accessory mounting hardware\u003c\/li\u003e\n\u003cli\u003eReplacement hardware for worn, rusted, rounded, or missing bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eZinc-Plated vs. Stainless Steel Hardware\u003c\/h3\u003e\n\u003cp\u003eZinc-plated bolts and stainless steel bolts both have a place in marine trailer service. Zinc-plated steel hardware is strong, cost-effective, and commonly used in factory trailer applications. Stainless steel offers excellent corrosion resistance, but it is not always the correct replacement for every trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eBefore switching hardware material, confirm the application, bolt grade, load requirement, thread size, and mating parts. In some cases, replacing the hardware with the same zinc-plated style used by the trailer manufacturer is the best practical choice.\u003c\/p\u003e\n\u003ch3\u003eImportant Fitment Note\u003c\/h3\u003e\n\u003cp\u003eTrailer bolts are not universal. Always confirm the bolt diameter, thread pitch, length, grade, finish, and application before ordering. A bolt that is too short, too long, too soft, or the wrong thread pitch may not clamp the trailer part correctly.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Hardware?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm bolt size, thread pitch, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching EZ Loader parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"ez-loader-1-2-hex-bolt-290-001537","title":"EZ Loader 1\/2\"-13 x 3\" Zinc-Plated Hex Bolt | 290-001537","description":"\u003ch2\u003eEZ Loader 1\/2\"-13 x 3\" Hex Head Bolt — Structural Mounting Hardware\u003c\/h2\u003e\n\n\u003cp\u003e\nThis OEM EZ Loader hex head bolt is designed for trailer applications where proper length, clamping force, and reliable fitment are required. At 3\" long, this bolt is commonly used in bracket mounting and mid-depth hardware connections where shorter bolts are not sufficient.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhile 1\/2\"-13 hardware is common, overall length determines proper fitment. This bolt is sized to match EZ Loader mounting configurations—not just general-purpose fastening.\n\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-top:15px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:34%; padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e290-001537\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eComponent Type:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eHex Head Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eDiameter \/ Thread:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e1\/2\"-13 UNC (Coarse Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eGrade:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eGrade 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eZinc-Plated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eCommon Use:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nBracket mounting, bunk supports, winch stand connections, and accessory mounting points\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nProvides secure clamping across bracket and frame connections while maintaining alignment under vibration\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eRecommended Hardware:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nTypically used with 1\/2\"-13 locknuts and washers for vibration-resistant fastening\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eIncluded:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\n1 Hex Head Bolt (nuts and washers sold separately unless noted)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eImportant Note:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nAlways match bolt size, length, and grade to the application. Incorrect length can reduce clamping strength and affect structural fitment.\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDesigned for Mid-Depth Trailer Mounting\u003c\/h3\u003e\n\n\u003cp\u003e\nThis bolt is commonly used where bracket thickness and frame spacing require more reach than short bolts, but not full through-bolt length.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eBracket-to-frame connections\u003c\/li\u003e\n\u003cli\u003eBunk and roller support brackets\u003c\/li\u003e\n\u003cli\u003eWinch stand and post mounting\u003c\/li\u003e\n\u003cli\u003eTie-down and accessory brackets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eBuilt to maintain clamping force under real-world trailer conditions.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eStronger than standard hardware bolts\u003c\/li\u003e\n\u003cli\u003eDesigned for structural and mounting applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProvides reliable strength without excessive brittleness.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eHelps protect base metal and surrounding components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM trailer hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eZinc is designed to wear first, helping protect the trailer over time.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMaintains proper clamping force\u003c\/li\u003e\n\u003cli\u003eSupports structural integrity\u003c\/li\u003e\n\u003cli\u003eReduces loosening under vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHardware is part of the trailer system—not interchangeable by appearance alone.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\n\u003cp\u003e\nAt \u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e, mid-length bolts like this are commonly used where bracket depth and mounting geometry require additional reach. Using the correct length ensures proper thread engagement and long-term reliability.\n\u003c\/p\u003e\n\n\u003cp\u003e\nNeed help confirming fitment? View EZ Loader Trailer Fitment Guides to see how hardware is used across real trailer configurations.\n\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897099383149,"sku":"290-001537","price":6.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-001537hexheadbolt.5-13tpix3inAngleShot.jpg?v=1778168000"},{"product_id":"ez-loader-5-8-hex-bolt-290-001697","title":"EZ Loader 5\/8\"-11 x 8\" Zinc-Plated Hex Bolt | 290-001697","description":"\u003ch2\u003eEZ Loader 5\/8\"-11 x 8\" Hex Head Bolt — Heavy-Duty Extended-Length Hardware\u003c\/h2\u003e\n\u003cp\u003eThis OEM EZ Loader hex head bolt is designed for trailer applications requiring maximum clamping force, extended reach, and reliable structural fitment. The 5\/8\" diameter provides increased load capacity for high-stress connection points.\u003c\/p\u003e\n\u003cp\u003eAt 8\" in length, this bolt is used in multi-layer assemblies and longer mounting spans where shorter bolts cannot provide proper thread engagement or structural support.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%; padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003e290-001697\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eComponent Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eHex Head Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eDiameter \/ Thread:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003e5\/8\"-11 UNC (Coarse Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003e8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eGrade:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eGrade 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eZinc-Plated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eCommon Use:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eHeavy-duty frame connections, extended bracket assemblies, bunk and roller system mounting, and multi-layer structural components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eProvides high clamping force across long mounting spans while maintaining alignment and load distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eRecommended Hardware:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eTypically used with 5\/8\"-11 locknuts and hardened washers for proper load handling and vibration resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eIncluded:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eBolt only (nuts and washers sold separately unless noted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eImportant Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eThis bolt requires matching 5\/8\" hardware and mounting holes. Length and grade are critical. Incorrect sizing can lead to misalignment or reduced clamping strength.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDesigned for Extended-Length Structural Mounting\u003c\/h3\u003e\n\u003cp\u003eThis bolt is used in applications where longer reach is required to secure multiple components across wider spacing or deeper mounting configurations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrame and crossmember connections\u003c\/li\u003e\n\u003cli\u003eExtended bunk and roller assemblies\u003c\/li\u003e\n\u003cli\u003eMulti-layer bracket mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for applications where shorter bolts cannot provide proper thread engagement.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eDesigned for structural trailer use\u003c\/li\u003e\n\u003cli\u003eBalances strength and flexibility under dynamic loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for high-load environments with vibration and repeated stress.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eHelps protect base metal and surrounding trailer components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM EZ Loader hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eZinc is designed to wear first, helping protect the trailer over time.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintains structural integrity across long mounting spans\u003c\/li\u003e\n\u003cli\u003eSupports proper alignment of major components\u003c\/li\u003e\n\u003cli\u003ePrevents loosening in vibration-prone areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHardware is part of the trailer system—not interchangeable by appearance alone.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e, extended-length bolts like this are used where trailer geometry requires additional reach. Using the correct length ensures proper thread engagement and prevents movement or misalignment over time.\u003c\/p\u003e\n\u003cp\u003eNeed help confirming fitment? View \u003ca href=\"https:\/\/ezloadertrailers411.com\/boat-trailer-fitment-guides\/\" target=\"_blank\" title=\"EZ Loader Trailer Fitment Guides \u0026amp; Configurations\" rel=\"noopener\"\u003eEZ Loader Trailer Fitment Guides\u003c\/a\u003e to see how hardware is used across real trailer configurations.\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897100300653,"sku":"290-001697","price":18.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/290-0016975.8x8hexboltmeasurement.jpg?v=1767893702"},{"product_id":"ez-loader-hex-bolt-1-2-x-6-1-2-zinc-plated-290-013523","title":"EZ Loader 1\/2\"-13 x 6-1\/2\" Zinc-Plated Hex Bolt | 290-013523","description":"\u003ch2\u003eEZ Loader Hex Head Bolt — 1\/2\"-13 x 6-1\/2\" Zinc-Plated\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eOEM-fit hardware designed for EZ Loader trailer assemblies where proper length and clamping force matter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\nThis EZ Loader hex head bolt is used in structural mounting applications where bracket thickness, frame dimensions, and proper thread engagement are critical. The 6-1\/2\" length is designed to match specific EZ Loader hardware stack-ups—not just general-purpose fastening.\n\u003c\/p\u003e\n\n\u003cp\u003e\nZinc-plated steel provides corrosion resistance through sacrificial protection, helping protect surrounding trailer components over time.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eThis is not a universal replacement bolt.\u003c\/strong\u003e While the 1\/2\"-13 thread size is common, overall length and application-specific fitment are what determine proper performance.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAt \u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e, we match hardware based on real EZ Loader trailer configurations—not guesswork.\n\u003c\/p\u003e\n\n\u003cp\u003e\nNeed help confirming fitment?\u003cbr\u003e\n\u003ca href=\"\/collections\/trailer-hardware\" title=\"Shop EZ Loader Trailer Hardware\"\u003e\n→ View All EZ Loader Hardware\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-top:15px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:34%; padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e290-013523\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eComponent Type:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eHex Head Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eDiameter \/ Thread:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e1\/2\"-13 (Coarse Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e6-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eZinc-Plated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eCommon Use:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nBracket mounting, bunk supports, frame connections, and multi-layer EZ Loader assemblies\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eIncluded:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nBolt only (nuts and washers sold separately)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eImportant Note:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nConfirm bolt length and application before ordering. Using incorrect length or thread type can reduce clamping strength and affect structural fitment.\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897100333421,"sku":"290-013523","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-013523.5in-12tpiX6-12inchzinc-platedhexbolttrailerhardware.jpg?v=1778096524"},{"product_id":"ez-loader-5-8-hex-bolt-290-027394","title":"EZ Loader 5\/8\"-11 x 6-1\/2\" Zinc-Plated Hex Bolt | 290-027394","description":"\u003ch2\u003eEZ Loader 5\/8\"-11 x 6-1\/2\" Hex Head Bolt — Heavy-Duty Structural Hardware\u003c\/h2\u003e\n\u003cp\u003eThis OEM EZ Loader hex head bolt is designed for trailer applications requiring higher load capacity, increased clamping force, and reliable structural fitment. The 5\/8\" diameter provides greater strength than standard hardware, making it suitable for critical connection points.\u003c\/p\u003e\n\u003cp\u003eAt 6-1\/2\" in length, this bolt is commonly used in multi-layer mounting applications where bracket spacing and frame thickness require extended reach and proper thread engagement.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%; padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003e290-027394\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eComponent Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eHex Head Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eDiameter \/ Thread:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003e5\/8\"-11 UNC (Coarse Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003e6-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eGrade:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eGrade 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eZinc-Plated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eCommon Use:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eHeavy-duty frame connections, large bracket assemblies, bunk and roller system mounting, and structural trailer components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eProvides high clamping force and load distribution across multiple components while maintaining alignment under vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eRecommended Hardware:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eTypically used with 5\/8\"-11 locknuts and hardened washers for proper load handling and vibration resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eIncluded:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eBolt only (nuts and washers sold separately unless noted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eImportant Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eThis bolt requires matching 5\/8\" hardware and mounting holes. It is not interchangeable with smaller diameters. Always verify size, length, and application before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDesigned for Heavy-Duty Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis bolt is used in areas where increased strength and load capacity are required, particularly in larger EZ Loader trailer configurations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrame and crossmember connections\u003c\/li\u003e\n\u003cli\u003eLarge bunk and roller assemblies\u003c\/li\u003e\n\u003cli\u003eStructural mounting points under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for applications where smaller diameter hardware is not sufficient.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eDesigned for structural trailer use\u003c\/li\u003e\n\u003cli\u003eBalances strength and flexibility under dynamic loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for high-load environments with vibration and repeated stress.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eHelps protect base metal and surrounding trailer components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM EZ Loader hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eZinc is designed to wear first, helping protect the trailer over time.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintains structural integrity under load\u003c\/li\u003e\n\u003cli\u003eSupports proper alignment of major components\u003c\/li\u003e\n\u003cli\u003eReduces loosening in vibration-prone areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHardware is part of the trailer system—not interchangeable by appearance alone.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e, bolts in this size range are used in high-stress structural areas. Using the correct diameter and length ensures proper fitment and long-term reliability.\u003c\/p\u003e\n\u003cp\u003eNeed help confirming fitment? View EZ Loader \u003ca href=\"https:\/\/ezloadertrailers411.com\/boat-trailer-fitment-guides\/\" target=\"_blank\" title=\"See Real-World EZ Loader Trailer Fitment Setups\" rel=\"noopener\"\u003eBoat Trailer Fitment Guides\u003c\/a\u003e to see how hardware is used across real trailer configurations.\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897100497261,"sku":"290-027394","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-027394HexBoltZinc5-8in-11tpix6.5inAngle1.jpg?v=1778681474"},{"product_id":"ez-loader-9-16-hex-bolt-290-001616","title":"EZ Loader 9\/16\"-12 x 3-1\/2\" Zinc-Plated Hex Bolt | 290-001616","description":"\u003ch2\u003eEZ Loader 9\/16\"-12 x 3-1\/2\" Hex Head Bolt — Structural Trailer Hardware\u003c\/h2\u003e\n\n\u003cp\u003e\nThis OEM EZ Loader hex head bolt is designed for trailer applications requiring increased strength, proper clamping force, and reliable fitment. The larger 9\/16\" diameter provides greater load capacity compared to standard 1\/2\" hardware, making it suitable for heavier-duty mounting points.\n\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-top:15px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:34%; padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e290-001616\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eComponent Type:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eHex Head Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eDiameter \/ Thread:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e9\/16\"-12 UNC (Coarse Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e3-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eGrade:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eGrade 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eZinc-Plated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eCommon Use:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nSuspension mounting, frame brackets, heavy-duty support brackets, and structural trailer connections\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nProvides increased clamping force and load support in higher-stress trailer applications\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eRecommended Hardware:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nTypically used with 9\/16\"-12 locknuts and hardened washers for secure, vibration-resistant fastening\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eIncluded:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nBolt only (nuts and washers sold separately unless noted)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eImportant Note:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nThis bolt requires matching 9\/16\" hardware and mounting holes. It is not interchangeable with 1\/2\" bolts. Always verify size, length, and application before ordering.\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDesigned for Higher-Load Trailer Applications\u003c\/h3\u003e\n\n\u003cp\u003e\nThis bolt is used in areas exposed to vibration, dynamic loads, and outdoor conditions where secure fastening is critical.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eLeaf spring and suspension mounting points\u003c\/li\u003e\n\u003cli\u003eFrame and hanger brackets\u003c\/li\u003e\n\u003cli\u003eHeavy-duty support and guide assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eBuilt for applications where standard 1\/2\" hardware is not sufficient.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eDesigned for structural trailer applications\u003c\/li\u003e\n\u003cli\u003eBalances strength and flexibility under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuitable for high-load, vibration-prone environments.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eHelps protect base metal and surrounding components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM trailer hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eZinc is designed to wear first, helping protect the trailer over time.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMaintains structural integrity under load\u003c\/li\u003e\n\u003cli\u003eSupports proper alignment of trailer components\u003c\/li\u003e\n\u003cli\u003eReduces loosening in vibration-prone areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHardware is part of the trailer system—not interchangeable by appearance alone.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\n\u003cp\u003e\nAt \u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e, larger diameter bolts like this are commonly used in suspension and structural mounting points. Using the correct size and grade ensures proper fitment and long-term reliability.\n\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897102791021,"sku":"290-001616","price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-001616HexHeadBoltZinc9-16-12TPIx3.5inAngleShot.jpg?v=1778102362"},{"product_id":"ez-loader-1-2-hex-bolt-290-001567","title":"EZ Loader 1\/2\"-13 x 5-1\/2\" Zinc-Plated Hex Bolt | 290-001567","description":"\u003ch2\u003eEZ Loader 1\/2\"-13 x 5-1\/2\" Hex Head Bolt — Structural Mounting Hardware\u003c\/h2\u003e\n\u003cp\u003eThis OEM EZ Loader hex head bolt is designed for trailer applications where proper length, clamping force, and reliable fitment are required. At 5-1\/2\" long, this bolt is commonly used in multi-layer mounting applications where bracket spacing and frame thickness require extended reach.\u003c\/p\u003e\n\u003cp\u003eWhile 1\/2\"-13 hardware is common, overall length determines proper fitment. This bolt is sized to match specific EZ Loader mounting configurations—not just general-purpose fastening.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%; padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003e290-001567\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eComponent Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eHex Head Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eDiameter \/ Thread:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 UNC (Coarse Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003e5-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eGrade:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eGrade 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eZinc-Plated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eCommon Use:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eBunk brackets, frame mounting points, step brackets, and multi-layer trailer assemblies requiring extended bolt length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eProvides secure clamping across multiple components while maintaining alignment under load and vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eRecommended Hardware:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eTypically used with 1\/2\"-13 locknuts and washers for proper thread engagement and vibration resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eIncluded:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eBolt only (nuts and washers sold separately unless noted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold; border: 1px solid #d9e2e8; background: #f8fbfc;\"\u003eImportant Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #d9e2e8;\"\u003eLength and thread engagement are critical. Verify application before ordering. Using incorrect length can reduce clamping strength and affect structural fitment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDesigned for Multi-Layer Trailer Mounting\u003c\/h3\u003e\n\u003cp\u003eThis bolt is used where multiple components—such as brackets, spacers, and frame members—must be secured together while maintaining proper alignment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBunk support bracket assemblies\u003c\/li\u003e\n\u003cli\u003eStep and accessory mounting\u003c\/li\u003e\n\u003cli\u003eFrame-to-bracket connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for applications where standard short bolts are not sufficient.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eDesigned for structural trailer applications\u003c\/li\u003e\n\u003cli\u003eBalances strength and flexibility under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for dynamic trailer environments with vibration and load changes.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eHelps protect base metal and surrounding components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM trailer hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eZinc is designed to wear first, helping protect the trailer over time.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintains proper clamping force across components\u003c\/li\u003e\n\u003cli\u003eSupports structural alignment\u003c\/li\u003e\n\u003cli\u003ePrevents loosening under vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHardware is part of the trailer system—not interchangeable by appearance alone.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e, bolts in this length range are commonly used where bracket spacing and frame geometry require additional reach. Using the correct length ensures proper thread engagement and prevents movement or misalignment over time.\u003c\/p\u003e\n\u003cp\u003eNeed help confirming fitment? Visit \u003ca href=\"https:\/\/ezloadertrailers411.com\/\" target=\"_blank\" title=\"See EZ Loader Trailer Configurations \u0026amp; Fitment Examples\" rel=\"noopener\"\u003e\u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e\u003c\/a\u003e to see real-world trailer setups and how hardware is used across different EZ Loader configurations.\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897103511917,"sku":"290-001567","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-001567ZincHexBolt.5-13tpix5.5inthreequartersview.jpg?v=1778097337"},{"product_id":"ez-loader-u-bolt-1-2-13-x-3-x-7-1-4-zinc-plated-290-002516","title":"EZ Loader U-Bolt 1\/2\" -13 x 3 x 7-1\/4\" Zinc Plated 290-002516","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 3\" x 7-1\/4\" Zinc Plated 290-002516\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 7-1\/4\" Zinc Plated 290-002516\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 7-1\/4\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a longer U-shaped clamp fastener is required.\u003c\/p\u003e\n\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:15px; margin:20px 0;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth colspan=\"2\" style=\"text-align:left; padding:12px 14px; background:#12344d; color:#ffffff; font-size:18px; border:1px solid #d9e2e8;\"\u003e\n        Product Details\n      \u003c\/th\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"width:32%; padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e290-002516\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eLength:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e7-1\/4\"\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eColor:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eFits:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 7-1\/4\" zinc-plated U-bolt\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 7-1\/4\" leg length is required.\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, wider 3\" inside width, longer 7-1\/4\" length, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 7-1\/4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n  \u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n  \u003cli\u003e3\" inside width\u003c\/li\u003e\n  \u003cli\u003e7-1\/4\" length\u003c\/li\u003e\n  \u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n  \u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 7-1\/4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 3\" x 7-1\/4\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:15px; margin:20px 0;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth style=\"padding:12px 14px; background:#12344d; color:#ffffff; border:1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n      \u003cth style=\"padding:12px 14px; background:#12344d; color:#ffffff; border:1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e\n        \u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\n      \u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e\n        \u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\n      \u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n  \u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n  \u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n  \u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n  \u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n  \u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n  \u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n  \u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n  \u003cli\u003eConfirm the length is 7-1\/4\".\u003c\/li\u003e\n  \u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n  \u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e\n📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"border:1px solid #d9e2e8; background:#f6f9fb; padding:16px 18px; margin:24px 0; border-radius:6px;\"\u003e\n  \u003ch3 style=\"margin-top:0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\n  \u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\n  \u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\n  \u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104494957,"sku":"290-002516","price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-002516SquareU-BoltZinc.5in-13TPIx3inx7.25inStraight.jpg?v=1778622070"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-002540","title":"U-Bolt 1\/2\"-13 x 2\" x 4-1\/2\" Zinc Plated 290-002540","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 2\" x 4-1\/2\" Zinc Plated 290-002540\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 2\" x 4-1\/2\" Zinc Plated 290-002540\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 2\" inside width x 4-1\/2\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002540\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 2\" x 4-1\/2\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 2\" inside-width U-bolt with 4-1\/2\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, 2\" inside width, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 2\" x 4-1\/2\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e2\" inside width\u003c\/li\u003e\n\u003cli\u003e4-1\/2\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 2\" x 4-1\/2\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 2\" x 4-1\/2\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 4-1\/2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104757101,"sku":"290-002540","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-002540U-BoltZinc.5in-13tpix2inx4.5inStraightShot.jpg?v=1778611189"},{"product_id":"ez-loader-1-2-13-x-1-hex-bolt-grade-5-zinc-290-001516","title":"EZ Loader 1\/2\"-13 x 1\" Hex Head Bolt (Grade 5, Zinc) | 290-001516","description":"\u003cp\u003e\u003cstrong\u003eEZ Loader 1\/2\"-13 x 1\" Hex Head Bolt (Grade 5, Zinc) | 290-001516\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis OEM EZ Loader hex head bolt is designed for trailer applications where short length and proper clamping force are required. Commonly used in bracket mounting and light-duty connections, this bolt matches OEM specifications for accurate fitment.\u003c\/p\u003e\n\n\u003ch3\u003eDesigned for Light-Duty Mounting Applications\u003c\/h3\u003e\n\u003cp\u003eThis bolt is used in areas where limited material thickness requires shorter fasteners while still maintaining secure attachment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLight brackets and accessory mounting\u003c\/li\u003e\n\u003cli\u003eGuide and light hardware\u003c\/li\u003e\n\u003cli\u003eShallow mounting points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Designed for secure fastening where space and depth are limited.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eStronger than standard hardware bolts\u003c\/li\u003e\n\u003cli\u003eSuitable for light structural and mounting applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Provides reliable clamping force without overloading smaller components.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eHex Head Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard hex head for easy installation\u003c\/li\u003e\n\u003cli\u003eAllows proper torque application\u003c\/li\u003e\n\u003cli\u003eCompatible with common tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eHelps protect base metal and surrounding components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM trailer hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e👉 Zinc is designed to wear first, protecting the trailer over time.\u003c\/p\u003e\n\n\u003ch3\u003eFitment \u0026amp; Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 1\/2\"-13 UNC x 1\" Length\u003c\/li\u003e\n\u003cli\u003eThread Type: Coarse Thread (UNC)\u003c\/li\u003e\n\u003cli\u003eGrade: Grade 5\u003c\/li\u003e\n\u003cli\u003eHead Type: Hex Head (HH)\u003c\/li\u003e\n\u003cli\u003eFinish: Zinc Plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBracket mounting\u003c\/li\u003e\n\u003cli\u003eLight accessory attachment\u003c\/li\u003e\n\u003cli\u003eShallow hardware connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Installation Note\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Ensure sufficient thread engagement. Short bolts must fully engage threads to maintain proper clamping force.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents over-penetration in shallow assemblies\u003c\/li\u003e\n\u003cli\u003eMaintains proper clamping without excess length\u003c\/li\u003e\n\u003cli\u003eSupports correct hardware matching\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Using a bolt that is too long can cause interference or improper tightening.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eAt 411-Trailers Group, short bolts are often misused. Selecting the correct length prevents interference issues and ensures proper clamping in tight mounting areas.\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897105445229,"sku":"290-001516","price":2.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-001516hexheadbolt.5-13TPIx1inAngleShot.jpg?v=1778173148"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-027532","title":"U-Bolt 1\/2\"-13 x 3\" x 5-3\/4\" Zinc Plated 290-027532","description":"\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 5-3\/4\" Zinc Plated 290-027532\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 5-3\/4\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a wider U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\" colspan=\"2\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-027532\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 5-3\/4\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 5-3\/4\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, wider 3\" inside width, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 5-3\/4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e3\" inside width\u003c\/li\u003e\n\u003cli\u003e5-3\/4\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 5-3\/4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 3\" x 5-3\/4\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 5-3\/4\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897105641837,"sku":"290-027532","price":5.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-027532SquareU-BoltZincPlated.5in-13tpix3inx5.75inStraight.jpg?v=1778617924"},{"product_id":"ez-loader-1-2-13-x-1-1-2-hex-bolt-grade-5-zinc-290-001522","title":"EZ Loader 1\/2\"-13 x 1-1\/2\" Hex Head Bolt (Grade 5, Zinc) | 290-001522","description":"\u003ch2\u003eEZ Loader 1\/2\"-13 x 1-1\/2\" Hex Head Bolt — OEM Trailer Hardware Fitment\u003c\/h2\u003e\n\n\u003cp\u003e\nThis OEM EZ Loader hex head bolt is designed for trailer applications where strength, proper clamping force, and reliable fitment are required. Commonly used in bunk supports, brackets, and accessory mounting, this bolt matches OEM specifications for consistent performance.\n\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-top:15px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:34%; padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e290-001522\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eComponent Type:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eHex Head Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eDiameter \/ Thread:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e1\/2\"-13 UNC (Coarse Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e1-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eGrade:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eGrade 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eHead Type:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eHex Head (HH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eZinc-Plated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eCommon Use:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nBunk support mounting, guide brackets, light mounts, and accessory attachment points\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nMaintains clamping force in vibration-prone trailer components and supports secure structural mounting\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eRecommended Hardware:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nTypically used with 1\/2\"-13 nylon insert locknuts for vibration-resistant fastening\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eIncluded:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nBolt only (nuts and washers sold separately unless noted)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eImportant Note:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nAlways match bolt size, length, and grade to the application. Do not substitute lower-grade hardware, as this can reduce clamping strength and lead to loosening under vibration.\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDesigned for Trailer Applications\u003c\/h3\u003e\n\n\u003cp\u003e\nThis bolt is used in areas exposed to vibration, load, and outdoor conditions where secure fastening is critical.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eUpright bunk support assemblies\u003c\/li\u003e\n\u003cli\u003eGuide and light mounting brackets\u003c\/li\u003e\n\u003cli\u003eAccessory mounting points\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eBuilt to maintain clamping force under real-world trailer conditions.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eStronger than standard hardware bolts\u003c\/li\u003e\n\u003cli\u003eDesigned for structural and mounting applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProvides reliable strength without excessive brittleness.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eHex Head Design\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eStandard hex head for easy installation\u003c\/li\u003e\n\u003cli\u003eAllows proper torque application\u003c\/li\u003e\n\u003cli\u003eCompatible with common tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eHelps protect base metal and surrounding components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM trailer hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eZinc is designed to wear first, helping protect the trailer over time.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMaintains proper clamping force\u003c\/li\u003e\n\u003cli\u003eSupports structural integrity\u003c\/li\u003e\n\u003cli\u003eReduces loosening under vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHardware is part of the trailer system—not interchangeable by appearance alone.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\n\u003cp\u003e\nAt \u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e, we regularly see issues caused by incorrect bolt size or grade. Using the correct OEM hardware ensures proper fitment and long-term reliability.\n\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897106166125,"sku":"290-001522","price":2.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-001522hexheadbolt.5-13tpix1.5inangle1.jpg?v=1778170054"},{"product_id":"ez-loader-1-2-13-x-4-1-2-hex-bolt-grade-5-zinc-290-001555","title":"EZ Loader 1\/2\"-13 x 4-1\/2\" Hex Head Bolt (Grade 5, Zinc) | 290-001555","description":"\u003cp\u003e\u003cstrong\u003eEZ Loader 1\/2\"-13 x 4-1\/2\" Hex Head Bolt (Grade 5, Zinc) | 290-001555\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis OEM EZ Loader hex head bolt is designed for trailer applications where longer reach and proper clamping force are required. Commonly used in frame connections, bunk supports, and bracket mounting, this bolt matches OEM specifications for reliable fitment and performance.\u003c\/p\u003e\n\u003ch3\u003eDesigned for Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis bolt is used in areas where components require additional length for proper engagement and secure fastening.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBunk support mounting points\u003c\/li\u003e\n\u003cli\u003eFrame and crossmember connections\u003c\/li\u003e\n\u003cli\u003eBracket and accessory mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Designed to maintain clamping force under vibration and load.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eHigher strength than standard hardware bolts\u003c\/li\u003e\n\u003cli\u003eDesigned for structural and mounting applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Provides the strength needed without excessive brittleness.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eHex Head Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard hex head for easy installation\u003c\/li\u003e\n\u003cli\u003eAllows proper torque application\u003c\/li\u003e\n\u003cli\u003eCompatible with common tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eHelps protect base metal and surrounding components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM trailer hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e👉 Zinc is designed to wear first, protecting the trailer over time.\u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 1\/2\"-13 UNC x 4-1\/2\" Length\u003c\/li\u003e\n\u003cli\u003eThread Type: Coarse Thread (UNC)\u003c\/li\u003e\n\u003cli\u003eGrade: Grade 5\u003c\/li\u003e\n\u003cli\u003eHead Type: Hex Head (HH)\u003c\/li\u003e\n\u003cli\u003eFinish: Zinc Plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBunk support assemblies\u003c\/li\u003e\n\u003cli\u003eFrame and bracket mounting\u003c\/li\u003e\n\u003cli\u003eGeneral trailer hardware replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Installation Note\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Always match bolt length, diameter, and grade to the application. Do not substitute lower-grade hardware.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned to provide proper thread engagement where longer bolt length is required.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintains proper clamping force\u003c\/li\u003e\n\u003cli\u003eSupports structural integrity\u003c\/li\u003e\n\u003cli\u003eReduces loosening under vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Hardware is part of the trailer system—not interchangeable by appearance alone.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eAt 411-Trailers Group, correct bolt length is just as important as diameter and grade. Using the proper length ensures full thread engagement and prevents loose or misaligned components.\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897106297197,"sku":"290-001555","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-001555hexheadbolt.5-13tpix4.5inthreequartershot.jpg?v=1778164670"},{"product_id":"ez-loader-bolt-1-2-13-x-25-3-4-hex-290-015756","title":"EZ Loader 1\/2\"-13 x 25-3\/4\" Through Bolt (Roller\/Bunk) | 290-015756","description":"\u003ch2\u003eEZ Loader 1\/2\"-13 x 25-3\/4\" Hex Head Through Bolt — Roller \u0026amp; Bunk System Fitment\u003c\/h2\u003e\n\n\u003cp\u003e\nThis OEM EZ Loader through bolt is designed for roller tray and bunk support systems where full-length fastening and structural alignment are required. At 25-3\/4\" long, this bolt passes through the main support tube running fore and aft, securing the entire assembly.\n\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-top:15px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:34%; padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e290-015756\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eComponent Type:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eThrough Bolt (Hex Head)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eDiameter \/ Thread:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e1\/2\"-13 UNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e25-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eGrade:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eGrade 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003eZinc-Plated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eCommon Use:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nRoller tray assemblies, quad bunk systems, and long-span support structures requiring full-length fastening\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nMaintains alignment and transfers load across multiple components along a single mounting axis\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eIncluded:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nBolt only (nuts and washers sold separately unless noted)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px; font-weight:bold; border:1px solid #d9e2e8; background:#f8fbfc;\"\u003eImportant Note:\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px; border:1px solid #d9e2e8;\"\u003e\nThis is a long-span structural bolt. Length and grade are critical. Incorrect sizing can lead to misalignment, shifting, or improper load distribution.\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDesigned for Roller \u0026amp; Bunk Systems\u003c\/h3\u003e\n\n\u003cp\u003e\nThis bolt is used in applications where multiple components must be secured and aligned across a single axis.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eRoller tray assemblies\u003c\/li\u003e\n\u003cli\u003eArticulating quad bunk systems\u003c\/li\u003e\n\u003cli\u003eStandard and step hull support setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eActs as a structural connection point—not just a fastener.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Through Bolt Does\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMaintains alignment across roller or bunk assemblies\u003c\/li\u003e\n\u003cli\u003eTransfers load through the support structure\u003c\/li\u003e\n\u003cli\u003eSecures multiple components along a single mounting axis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eDesigned for structural trailer applications\u003c\/li\u003e\n\u003cli\u003eBalances strength and flexibility under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuitable for high-load, dynamic trailer environments.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eProtects base metal and surrounding components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM trailer hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eKeeps roller and bunk systems aligned\u003c\/li\u003e\n\u003cli\u003eSupports proper load distribution\u003c\/li\u003e\n\u003cli\u003ePrevents movement across multi-component assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIncorrect length or grade can lead to misalignment or structural issues.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\n\u003cp\u003e\nAt \u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e, these long through bolts are critical in roller and bunk systems. Using the correct length and grade ensures proper alignment and prevents shifting or uneven support—especially on step hull and multi-bunk setups.\n\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897107280237,"sku":"290-015756","price":16.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/290-015756Bolt0.5-13x250.75Hex.jpg?v=1767894007"},{"product_id":"ez-loader-3-8-16-x-1-1-4-hex-bolt-grade-5-zinc-290-011847","title":"EZ Loader 3\/8\"-16 x 1-1\/4\" Hex Head Bolt (Grade 5, Zinc) | 290-011847","description":"\u003cp\u003e\u003cstrong\u003eEZ Loader 3\/8\"-16 x 1-1\/4\" Hex Head Bolt (Grade 5, Zinc) | 290-011847\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis OEM EZ Loader hex head bolt is designed for trailer applications where strength, proper clamping force, and reliable fitment are required. Commonly used in frame, bracket, and mounting connections, this bolt matches OEM hardware specifications for consistent performance.\u003c\/p\u003e\n\n\u003ch3\u003eDesigned for Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eTrailer hardware is exposed to vibration, load cycling, and environmental conditions. This bolt is used in areas where secure fastening and structural integrity are critical.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVibration during towing\u003c\/li\u003e\n\u003cli\u003eLoad transfer across components\u003c\/li\u003e\n\u003cli\u003eOutdoor and marine exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Designed to maintain clamping force under real-world conditions.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eGrade 5 Strength\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium carbon steel construction\u003c\/li\u003e\n\u003cli\u003eHigher strength than standard hardware bolts\u003c\/li\u003e\n\u003cli\u003eDesigned for structural trailer connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Grade 5 hardware provides the strength needed without over-hardening or brittleness.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eHex Head Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard hex head for easy installation\u003c\/li\u003e\n\u003cli\u003eCompatible with common tools\u003c\/li\u003e\n\u003cli\u003eAllows proper torque application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eZinc-Plated Finish\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSacrificial corrosion protection\u003c\/li\u003e\n\u003cli\u003eProtects base metal and surrounding components\u003c\/li\u003e\n\u003cli\u003eConsistent with OEM trailer hardware systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e👉 Zinc is designed to wear first, helping protect the trailer structure over time.\u003c\/p\u003e\n\n\u003ch3\u003eFitment \u0026amp; Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 3\/8\"-16 UNC x 1-1\/4\"\u003c\/li\u003e\n\u003cli\u003eThread Type: Coarse Thread (UNC)\u003c\/li\u003e\n\u003cli\u003eGrade: Grade 5\u003c\/li\u003e\n\u003cli\u003eHead Type: Hex Head (HH)\u003c\/li\u003e\n\u003cli\u003eFinish: Zinc Plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBracket mounting\u003c\/li\u003e\n\u003cli\u003eFrame connections\u003c\/li\u003e\n\u003cli\u003eLight structural assemblies\u003c\/li\u003e\n\u003cli\u003eGeneral trailer hardware replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Installation Note\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Always match bolt grade, size, and length to the application. Do not substitute lower-grade hardware.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintains proper clamping force\u003c\/li\u003e\n\u003cli\u003eSupports structural integrity\u003c\/li\u003e\n\u003cli\u003eReduces loosening under vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Hardware is part of the trailer system—not interchangeable by appearance alone.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eAt 411-Trailers Group, we regularly see failures caused by incorrect bolt grade or improper substitutions. Using the correct Grade 5 hardware helps maintain trailer strength and long-term reliability.\u003c\/p\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897107902829,"sku":"290-011847","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-011847threeeights-16tpix1.25FullyThreadedZincangleshot.jpg?v=1778099940"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/collections\/EZ_Loader_Collection_Collage_for_Zinc_Bolts_7399f16c-16b3-4dac-9e54-bee912e9a8bc.jpg?v=1779142133","url":"https:\/\/ezloaderparts411.com\/collections\/zinc-bolts-for-ez-loader-trailers.oembed","provider":"EZLoaderParts411.com","version":"1.0","type":"link"}