{"product_id":"3-8-in-x-2-in-50-pack-zinc-carriage-bolt-kit-durable-fastening","title":"3\/8 in x 2 in (50 Pack) Zinc Carriage Bolt Kit - Durable Fastening","description":"\u003cp\u003eIn this review of the 3\/8 in x 2 in (50 Pack) Zinc Carriage Bolt Kit by Makers Bolt, the bottom line is straightforward: this kit is for DIYers and builders who need a reliable, ready-made set of carriage bolts and hardware for outdoor projects where a semi-flush finish matters. The reviewer found the kit stood out for its complete components and consistent sizing, making it a practical choice for deck, pergola, gazebo, and general structural fastenings where moderate corrosion resistance and convenience are priorities.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e The pack includes 50 carriage bolts, 50 USS thick washers and 50 hex nuts so projects can be started without sourcing individual parts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStandard sizing:\u003c\/strong\u003e The 3\/8 in diameter and 2 in length provide common, versatile sizing that fits many deck and framing applications.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eZinc plated:\u003c\/strong\u003e Zinc plating gives moderate corrosion resistance, helping fasteners last longer in exposed outdoor settings compared with plain steel.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFlat head design:\u003c\/strong\u003e The flat head provides a semi-flush finish that is ideal where a lower profile bolt head is desired on decking and pergola rails.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eConsistent hardware:\u003c\/strong\u003e Grade 307A carriage bolts paired with grade 2 hex nuts and USS washers ensure matching tolerances and predictable assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is aimed at homeowners, weekend carpenters, and pro remodelers who build decks, gazebos, pergolas or similar structures and want a matched set of carriage hardware for repetitive fastening tasks. It is especially useful when semi-flush bolt heads are preferred for aesthetics and to reduce snagging on railings or boards.\u003c\/p\u003e\n\u003cp\u003eThose needing high corrosion resistance for marine environments, stainless steel hardware, or specialty bolt grades should look elsewhere; this zinc plated, grade 307A kit is best for moderate outdoor exposure rather than saltwater or extremely corrosive conditions.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eComplete 50-piece kit saves time by bundling carriage bolts, washers, and nuts for immediate use.\u003c\/li\u003e\n \u003cli\u003eZinc plating offers moderate protection against rust for typical outdoor projects.\u003c\/li\u003e\n \u003cli\u003eSemi-flush flat head reduces protrusion and gives a cleaner finished appearance on woodwork.\u003c\/li\u003e\n \u003cli\u003eStandard 3\/8 in diameter and common 9\/16 in wrench size make it easy to work with common tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eNot a stainless option, so long-term corrosion in coastal or highly humid environments may be a limitation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e3\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHead diameter\u003c\/td\u003e\n\u003ctd\u003e0.813 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWasher outside diameter\u003c\/td\u003e\n\u003ctd\u003e1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eNut wrench size\u003c\/td\u003e\n\u003ctd\u003e9\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eZinc plated (moderate corrosion resistance)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHardware grades\u003c\/td\u003e\n\u003ctd\u003eGrade 307A carriage bolts, grade 2 hex nuts, USS flat washers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Makers Bolt 3\/8 in x 2 in zinc carriage bolt kit is a solid value for general outdoor woodworking and structural projects where a semi-flush finish and matched hardware matter. It saves procurement time and performs well in typical backyard exposures, though anyone needing maximum corrosion resistance should opt for stainless steel alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bolts suitable for outdoor use?\u003c\/strong\u003e\u003cbr\u003eYes, the zinc plating provides moderate corrosion resistance suitable for typical outdoor projects, but it is not intended for prolonged exposure in marine or highly corrosive environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat tools are needed to install these bolts?\u003c\/strong\u003e\u003cbr\u003eYou will need a 9\/16 in wrench or socket for the hex nuts and a driver or wrench to hold the carriage bolt head while tightening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include washers and nuts?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes 50 USS thick washers and 50 hex nuts matched to the 3\/8 in carriage bolts.\u003c\/p\u003e","brand":"Makers Bolt","offers":[{"title":"Default Title","offer_id":48234620125403,"sku":"B0DH6Z9QGR","price":33.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/714xt1tdJ0L._SL1500.jpg?v=1770742826","url":"https:\/\/gearmusthave.com\/products\/3-8-in-x-2-in-50-pack-zinc-carriage-bolt-kit-durable-fastening","provider":"GearMustHave","version":"1.0","type":"link"}