{"product_id":"hillman-fasteners-240102-carriage-bolt-5-16-18-x-3-in-100-pack","title":"Hillman Fasteners 240102 Carriage Bolt 5\/16-18 X 3 in 100 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HILLMAN FASTENERS 240102 is a 5\/16-18 x 3 inch coarse-thread carriage bolt designed for general structural fastening applications. Constructed from steel with a round dome head and square neck, this bolt is engineered to resist rotation upon tightening without requiring a secondary tool on the head. The square neck seats into wood or pre-drilled substrate material to provide a flush, tamper-resistant bearing surface. Each package contains 100 bolts, making it a practical stock quantity for contractors, maintenance crews, and trade professionals managing recurring fastener inventory.\u003c\/p\u003e\u003cp\u003eThis carriage bolt is suited for wood-to-wood and wood-to-metal connections in residential and light commercial construction, framing, deck assembly, equipment mounting, and general mechanical fastening. The coarse thread profile provides reliable engagement in wood substrates and standard steel nuts. At 5\/16-18 threading and 3 inches in length, this bolt fits a wide range of structural connection points commonly encountered in carpentry, HVAC equipment mounting, electrical panel support framing, and plumbing fixture backing installations.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e5\/16-18 coarse thread for reliable engagement in wood and standard steel hardware\u003c\/li\u003e\n\u003cli\u003e3 inch length suits moderate-depth through-bolt connections\u003c\/li\u003e\n\u003cli\u003eSteel construction provides strength suitable for structural fastening\u003c\/li\u003e\n\u003cli\u003eRound dome head with square neck prevents rotation without a wrench on the head\u003c\/li\u003e\n\u003cli\u003e100-bolt pack quantity supports job-site and shop inventory needs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard 5\/16-18 coarse-thread carriage bolt compatible with matching hex nuts, washers, and hardware conforming to that thread specification.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by carpenters, general contractors, or trade professionals using a standard wrench or socket on the nut side. The square neck must seat fully into the substrate before torquing the nut to prevent bolt spin. Always use an appropriately sized flat washer and nut rated for the intended load. Follow applicable building codes and structural connection requirements for the specific application.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/16-18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Style\u003c\/strong\u003e: Round Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck Style\u003c\/strong\u003e: Square Neck\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Coarse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 100 bolts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 45.15 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: HILLMAN FASTENERS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 240102\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HILLMAN","offers":[{"title":"Default Title","offer_id":51560201158962,"sku":"240102","price":245.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a9aca8f191d19b3273a5ee28d9093e57_1ff61ef1-10da-4e71-9720-3c9b384a2f42.jpg?v=1786449100","url":"https:\/\/voomisupply.com\/products\/hillman-fasteners-240102-carriage-bolt-5-16-18-x-3-in-100-pack","provider":"Voomi Supply","version":"1.0","type":"link"}