{"product_id":"3-8-in-x-7-in-carriage-bolt-kit-50-pack-galvanized-for-exterior","title":"3\/8 in x 7 in Carriage Bolt Kit (50 Pack) - Galvanized for Exterior","description":"\u003cp\u003eIn this review of the 3\/8 in x 7 in carriage bolt kit, the bottom line is simple: this set is aimed at DIYers and contractors who need reliable, corrosion-resistant fasteners for outdoor wood projects. The biggest reason to buy is the hot dip galvanized coating on Grade 307A carriage bolts, which offers far better corrosion protection than plain steel and keeps connections secure on decks, pergolas, fences and gazebos. The kit's inclusion of USS flat washers and hex nuts also makes it a practical choice for jobs that require semi-flush carriage bolt heads and complete hardware packages.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Includes 50 carriage bolts, 50 USS thick washers and 50 hex nuts so a full project run can be completed without sourcing extra parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable coating:\u003c\/strong\u003e Hot dip galvanized finish provides superior corrosion resistance for exterior use and long-term exposure to the elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect dimensions:\u003c\/strong\u003e 3\/8 in diameter and 7 in length suit common heavy timber and decking connections for deep, secure engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSemi-flush head:\u003c\/strong\u003e The flat carriage head gives a semi-flush finish that reduces snags and looks tidy on decking and pergola rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatched hardware:\u003c\/strong\u003e Grade 307A bolts paired with grade 2 hex nuts and USS flat washers ensure compatible strength and fit for typical wood construction tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is ideal for homeowners, deck builders and fence installers who need a bulk supply of heavy-duty carriage bolts for exterior woodworking projects. The 7 in length is well suited to thick posts, multi-layer beam assemblies and situations where long bolt engagement is required for strength and stability.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users needing stainless steel fasteners for marine or highly corrosive environments, or anyone requiring non-standard bolt head styles or metric dimensions; this kit is specifically imperial-sized, hot dip galvanized, and designed for common exterior wood applications.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHot dip galvanized coating gives reliable corrosion resistance for outdoor use.\u003c\/li\u003e\n\u003cli\u003ePackaged as a complete set of 50 bolts, washers and nuts, saving time sourcing parts.\u003c\/li\u003e\n\u003cli\u003eFlat carriage head produces a neat, semi-flush finish suited to decks and pergolas.\u003c\/li\u003e\n\u003cli\u003eGrade 307A carriage bolts paired with grade 2 nuts provide appropriate strength for heavy wood connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSS washers received mixed feedback from some users, so washer thickness may not meet every specialized preference.\u003c\/li\u003e\n\u003cli\u003eNot stainless steel, so in extremely corrosive or coastal conditions stainless hardware may be a better choice.\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003e7 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\u003eContents\u003c\/td\u003e\n\u003ctd\u003e50 carriage bolts, 50 USS flat washers, 50 hex nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish and grade\u003c\/td\u003e\n\u003ctd\u003eHot dip galvanized, Grade 307A bolts, grade 2 nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 3\/8 in x 7 in carriage bolt kit is a practical, good-value choice for anyone building or repairing exterior wooden structures. With hot dip galvanized Grade 307A carriage bolts and matching nuts and USS washers, it delivers durability and convenience for decks, pergolas and fences; those needing stainless or metric hardware should choose an alternative.\u003c\/p\u003e\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 hot dip galvanized coating provides superior corrosion resistance intended for exterior applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the nuts and washers come in this kit?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes 50 USS thick washers and 50 hex nuts matched to the 50 carriage bolts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size wrench is needed?\u003c\/strong\u003e\u003cbr\u003eThe hex nuts require a 9\/16 in wrench for tightening.\u003c\/p\u003e","brand":"Makers Bolt","offers":[{"title":"Default Title","offer_id":48742381781211,"sku":"B0DH73J3RP","price":60.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61hAHc8g1pL._SL1500.jpg?v=1778993821","url":"https:\/\/gearmusthave.com\/products\/3-8-in-x-7-in-carriage-bolt-kit-50-pack-galvanized-for-exterior","provider":"GearMustHave","version":"1.0","type":"link"}