{"product_id":"hillman-3-8-in-x-6-1-2-in-l-zinc-plated-steel-carriage-bolt","title":"HILLMAN 3\/8 in. X 6-1\/2 in. L Zinc-Plated Steel Carriage Bolt","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Hillman 3\/8 in. x 6-1\/2 in. Zinc-Plated Steel Carriage Bolt—the dependable workhorse for wood-to-wood connections. Designed for builders, hobbyists, and contractors alike, this single bolt delivers a sturdy, long-lasting hold for thick stock projects where a secure, non-turning joint is essential.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this carriage bolt stand out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDurable zinc-plated finish\u003c\/strong\u003e provides corrosion resistance in outdoor environments, making it ideal for decks, fences, pergolas, and garden structures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3\/8-inch diameter\u003c\/strong\u003e with a \u003cstrong\u003e6-1\/2-inch length\u003c\/strong\u003e offers a robust profile for thick boards and framing, giving you reliable clamping power without excessive complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoarse SAE thread\u003c\/strong\u003e is optimized for wood joints, enabling easier driving and strong bite in both softwoods and many hardwoods.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSquare under the head\u003c\/strong\u003e grips the wood as you tighten, reducing the chance of the bolt turning and making installation smoother and quicker.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGrade 2 steel\u003c\/strong\u003e delivers dependable, everyday strength for standard residential projects and light-duty commercial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBoxed packaging\u003c\/strong\u003e with a single piece ensures you get exactly what you need without extras, so you can start your project right away.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDecking and railing assemblies where a secure, non-rotating fastener is required\u003c\/li\u003e \u003cli\u003eFence construction, gates, and thick wood joinery where through-bolting is preferred\u003c\/li\u003e \u003cli\u003eOutdoor furniture, pergola connections, and other exterior woodwork exposed to the elements\u003c\/li\u003e \u003cli\u003eAny wood-to-wood joint that benefits from a strong, simple-to-install carriage bolt with a persistent grip\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical installation insights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePair with a matching nut and washer on the opposite side for through-bolting and a clean finished look\u003c\/li\u003e \u003cli\u003eDrill a pilot hole suited to your wood type to reduce splitting and ensure precise alignment\u003c\/li\u003e \u003cli\u003ePlace the bolt with the square neck seated in the wood grain; tighten the nut until the head sits flush against the surface\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose Hillman for your project\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eTrusted brand with a long history of delivering reliable hardware for DIYers and professionals\u003c\/li\u003e \u003cli\u003eConsistent dimensions and finish across batches mean predictable results, shot after shot\u003c\/li\u003e \u003cli\u003eFinish and material balance designed to deliver solid performance in typical home and outdoor wood projects without overcomplicating installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 3\/8 in\u003c\/li\u003e \u003cli\u003eLength: 6-1\/2 in\u003c\/li\u003e \u003cli\u003eMaterial: Steel\u003c\/li\u003e \u003cli\u003eFinish: Zinc-plated\u003c\/li\u003e \u003cli\u003eThread type: Coarse\u003c\/li\u003e \u003cli\u003eGrade: 2\u003c\/li\u003e \u003cli\u003ePackage quantity: 1\u003c\/li\u003e \u003cli\u003ePackaging type: Boxed\u003c\/li\u003e \u003cli\u003eUnit of measurement: SAE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":52171866276114,"sku":"57189","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/57189_LA.eps_High.jpg?v=1775503299","url":"https:\/\/nationalhardwaregroup.com\/products\/hillman-3-8-in-x-6-1-2-in-l-zinc-plated-steel-carriage-bolt","provider":"National Hardware Group","version":"1.0","type":"link"}