{"product_id":"value-collection-215557msc-carriage-bolt-3-8-16-2-1-2-in-grade-8","title":"Value Collection 215557MSC Carriage Bolt 3\/8-16 2-1\/2 in Grade 8","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 215557MSC is a Grade 8 alloy steel carriage bolt with a 3\/8-16 UNC thread and a 2-1\/2 inch length under head. The square neck seats flush into the mating material upon tightening, preventing rotation without the need for a wrench on the bolt head. A zinc trivalent chromate finish provides corrosion resistance for general industrial and structural applications. This bolt is fully threaded along its 2-1\/2 inch shank, conforming to SAE J429 standards. Maintenance technicians, ironworkers, and general contractors install this fastener in wood-to-metal and metal-to-metal connections across a wide range of structural assemblies.\u003c\/p\u003e\n\u003cp\u003eThis carriage bolt is suited for structural fastening tasks in both residential construction and light commercial applications. The 3\/8-16 UNC thread pattern is a standard size widely used in framing, equipment mounting, and fixture assembly. The Grade 8 alloy steel construction provides high tensile strength where standard hardware-grade fasteners would be insufficient. The zinc trivalent chromate finish meets current environmental standards as a replacement for hexavalent chromate coatings, making it appropriate for applications with compliance requirements.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade 8 alloy steel construction for high tensile strength in demanding structural applications\u003c\/li\u003e\n  \u003cli\u003e3\/8-16 UNC fully threaded shank, 2-1\/2 inches length under head\u003c\/li\u003e\n  \u003cli\u003eSquare neck design locks bolt in place during tightening, requiring no tool on the bolt head\u003c\/li\u003e\n  \u003cli\u003eZinc trivalent chromate finish for corrosion resistance and environmental compliance\u003c\/li\u003e\n  \u003cli\u003eConforms to SAE J429 fastener standard\u003c\/li\u003e\n  \u003cli\u003eInch measurement system; compatible with standard SAE tooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard SAE J429 Grade 8 carriage bolt for use in structural and general fastening applications requiring a 3\/8-16 UNC thread pattern.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eA licensed contractor or qualified tradesperson should verify that bolt grade and size meet the structural load requirements of the application before installation. Power down or de-energize any adjacent equipment before working in confined assemblies. The square neck must be fully seated into the mating substrate to prevent rotation during nut tightening. Apply appropriate torque using a calibrated torque wrench in accordance with SAE J429 guidelines and applicable building codes.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/8-16\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 2-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Style\u003c\/strong\u003e: Fully Threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNeck Type\u003c\/strong\u003e: Square\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Alloy Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc Trivalent Chromate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFastener Standard\u003c\/strong\u003e: SAE J429\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.09 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 215557MSC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51692518801714,"sku":"215557MSC","price":1021.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/94ee77dad00547d98ed0becb32696267_a2daa8a3-424b-403b-815c-462188b1c4b4.jpg?v=1788298778","url":"https:\/\/voomisupply.com\/products\/value-collection-215557msc-carriage-bolt-3-8-16-2-1-2-in-grade-8","provider":"Voomi Supply","version":"1.0","type":"link"}