{"product_id":"57184-hillman-3-8-in-x-4-in-l-zinc-plated-steel-carriage-bolt-50-pk","title":"Hillman 3\/8 in. x 4 in. Zinc-Plated Steel Carriage Bolt, 50-Pack","description":"\u003ch1\u003e3\/8 in. x 4 in. Zinc-Plated Carriage Bolts (50-Pack)\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eHeavy-duty Hillman carriage bolts made from zinc-plated steel for corrosion resistance and reliable fastening. Ideal for wood-to-wood or wood-to-metal applications where a smooth, rounded head finish is desired.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurable Zinc Plating:\u003c\/strong\u003e Resists rust and corrosion for long-lasting outdoor and indoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRounded Head + Square Neck:\u003c\/strong\u003e Pulls tight and prevents bolt spin in pre-drilled square holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Secure decks, fences, playsets, and general construction projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse Thread, Grade 2:\u003c\/strong\u003e Provides strong holding power for common fastening tasks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Value Pack:\u003c\/strong\u003e 50 bolts sized 3\/8 in. diameter x 4 in. length for project efficiency\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003chr\u003e\n    \u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\n    \u003ctable\u003e\n        \u003cthead\u003e\n            \u003ctr\u003e\n                \u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n                \u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCoarse, 3\/8\"-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRound (carriage) with square neck\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZinc-plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrade 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003chr\u003e\n    \u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What nuts and washers should I use?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Use 3\/8 in.-16 hex nuts with flat and lock washers compatible with zinc-plated hardware.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Can these be used outdoors?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes. The zinc plating provides basic corrosion resistance suitable for many outdoor applications; for harsh coastal environments, consider hot-dip galvanized or stainless steel.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Do these have coarse or fine threads?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e They are 3\/8 in.-16 coarse thread.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What drill size is recommended?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Drill a 3\/8 in. hole; a square recess under the head will seat into the wood to prevent turning during tightening.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Are nuts included?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e No. This listing is for carriage bolts only; purchase matching nuts and washers separately.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eA Clean, Polished Finish That Disappears Into the Design\u003c\/h2\u003e\n    \u003cp\u003eThe rounded, low-profile head offers a refined, tailored look on decks and garden structures, letting the form feel intentional and uncluttered. I love the subtle sheen of zinc plating—it catches light just enough to feel crisp without shouting. Use them on a cedar gate or a painted pergola where the smooth dome becomes a quiet design note. It’s the kind of hardware that elevates everyday builds into a more luxurious, composed experience.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your projects with these corrosion-resistant, 3\/8 in. x 4 in. Hillman carriage bolts—stock up with the 50-pack and build with confidence.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":48991909085398,"sku":"57184","price":61.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/31uFOxem7CL.jpg?v=1783639216","url":"https:\/\/buildsupplyus.myshopify.com\/products\/57184-hillman-3-8-in-x-4-in-l-zinc-plated-steel-carriage-bolt-50-pk","provider":"Buildsupply","version":"1.0","type":"link"}