{"product_id":"value-collection-32161-carriage-bolt-5-16-18-2-in-square-neck","title":"Value Collection 32161 Carriage Bolt 5\/16-18 2 in Square Neck","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 32161 is a 5\/16-18 carriage bolt with a 2-inch length under head, designed for fastening applications that require a smooth, rounded head and a square neck to resist rotation during installation. The bolt is manufactured from Grade 5 steel with a zinc-plated finish for corrosion resistance. The square neck seats into the material being fastened, locking the bolt in place so a nut can be tightened from the opposite side without requiring a wrench or socket on the bolt head. This fastener is commonly installed by tradespeople in structural, mechanical, and equipment assembly work.\u003c\/p\u003e\n\u003cp\u003eThis carriage bolt is suited for use in general construction, HVAC equipment mounting, electrical enclosure assembly, plumbing support structures, and similar trade applications where a flush or low-profile bolt head is required. The 5\/16-18 UNC thread size is a standard coarse thread, compatible with 5\/16-18 nuts and tapped holes in steel, wood, and composite materials. Minimum order quantity is 100 pieces, sold as a single package of 1.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e5\/16-18 UNC coarse thread for broad compatibility with standard hardware\u003c\/li\u003e\n  \u003cli\u003e2-inch length under head for medium-depth fastening applications\u003c\/li\u003e\n  \u003cli\u003eSquare neck prevents bolt rotation during nut tightening without a backup tool\u003c\/li\u003e\n  \u003cli\u003eGrade 5 steel construction for high tensile strength in structural use\u003c\/li\u003e\n  \u003cli\u003eZinc-plated finish provides baseline corrosion protection in interior and sheltered environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or standard hardware fastener for use with 5\/16-18 UNC nuts and threaded hardware in residential and commercial trade installations.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eCarriage bolts are installed by inserting the bolt through a pre-drilled hole and seating the square neck into the material to prevent spinning. A standard wrench or socket is used only on the nut side. Ensure the hole diameter matches the bolt shank to allow the square neck to engage properly. Power down or de-energize any adjacent equipment before working in electrical or HVAC panel areas where this fastener may be used.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/16-18\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 inches\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: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Grade 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc-Plated\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: 0.0637 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 100\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: 32161\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51713632108850,"sku":"32161","price":6357.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4cec56a691912597f44250ee8e7dc84a.jpg?v=1788494639","url":"https:\/\/voomisupply.com\/products\/value-collection-32161-carriage-bolt-5-16-18-2-in-square-neck","provider":"Voomi Supply","version":"1.0","type":"link"}