{"title":"Trailer Bolts for EZ Loader (Zinc-Plated)","description":"\u003ch2\u003eZinc Trailer Bolts for EZ Loader Trailers\u003c\/h2\u003e\n\n\u003cp\u003e\nZinc-coated bolts are commonly used as standard OEM hardware on EZ Loader trailers. They provide reliable strength and corrosion protection for a wide range of trailer applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nZinc plating helps protect the bolt from rust and environmental exposure while maintaining the strength needed for structural connections. These bolts are commonly used in frame components, brackets, bunk mounts, and other critical mounting points.\n\u003c\/p\u003e\n\n\u003cp\u003e\nEZ Loader trailers are designed with zinc-coated hardware in many factory configurations, making them a dependable choice for maintaining original fit and performance.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhile stainless steel hardware is sometimes used in marine environments, zinc bolts remain the standard for many applications due to their strength and compatibility with trailer design.\n\u003c\/p\u003e\n\n\u003cp\u003e\nChoosing the correct bolt depends on size, thread type, and application. Using the proper hardware helps ensure safe and secure mounting.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAt EZLoaderParts411.com, we help match hardware based on real-world trailer setups—not guesswork. If you're unsure what fits your trailer, call us first and we’ll help you get it right.\n\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRelated hardware components:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/stainless-steel-trailer-bolts\"\u003eStainless Steel Bolts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/trailer-washers\"\u003eWashers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/u-bolts-zinc\"\u003eU-Bolts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/trailer-brackets-mounting-hardware\"\u003eBrackets \u0026amp; Mounting Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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-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-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\/290-011847bolt.png?v=1774397130","url":"https:\/\/ezloaderparts411.com\/collections\/zinc-trailer-bolts.oembed","provider":"EZLoaderParts411.com","version":"1.0","type":"link"}