{"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\/290-001616HexBolt916-12X3.5ZincPlated.jpg?v=1767893805","url":"https:\/\/ezloaderparts411.com\/products\/ez-loader-9-16-hex-bolt-290-001616","provider":"EZLoaderParts411.com","version":"1.0","type":"link"}