{"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","url":"https:\/\/ezloaderparts411.com\/products\/ez-loader-1-2-13-x-4-1-2-hex-bolt-grade-5-zinc-290-001555","provider":"EZLoaderParts411.com","version":"1.0","type":"link"}