{"product_id":"1-4-in-x-6-in-carriage-bolt-kit-100-pack-hot-dip-galvanized","title":"1\/4 in x 6 in Carriage Bolt Kit (100 Pack) - Hot Dip Galvanized","description":"\u003cp\u003eOur review of this 1\/4 in x 6 in carriage bolt kit finds it aimed squarely at DIYers and contractors who need a large quantity of corrosion-resistant fasteners for exterior timber projects. The single biggest reason to buy is the complete kit of 100 Grade 307A carriage bolts plus 100 USS flat washers and 100 hex nuts, all hot dip galvanized to withstand outdoor exposure and use in ACQ treated lumber. The flat head produces a semi-flush finish that suits decks, pergolas and gazebos where a low-profile appearance and durability are priorities.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit completeness:\u003c\/strong\u003e The pack contains 100 carriage bolts, 100 USS thick washers and 100 hex nuts so you can fasten many connections without buying components separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot dip galvanized coating:\u003c\/strong\u003e Provides superior corrosion resistance for exterior use and compatibility with ACQ treated lumber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSemi-flush flat head:\u003c\/strong\u003e The flat head with 0.578 in diameter offers a lower profile finish that reduces snagging on decks and outdoor structures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard nut and wrench size:\u003c\/strong\u003e The 1\/4 in-20 hex nuts fit a 7\/16 in wrench for simple installation with common tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeets industry standards:\u003c\/strong\u003e Conformance to ASME and ASTM specifications gives confidence in material and dimensional consistency for structural uses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is best for homeowners, landscapers and builders who assemble multiple outdoor structures and need a bulk supply of matching hardware that resists corrosion. It suits projects like decking, pergolas, gazebos and heavy timber connections where semi-flush carriage bolt heads are preferred for appearance and safety.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for precision metalwork or applications that require specialty bolt grades or non-galvanized finishes; buyers needing smaller quantities or metric fasteners should look elsewhere.\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\u003eHigh value quantity: 100 bolts, washers and nuts save time and multiple purchases.\u003c\/li\u003e\n\u003cli\u003eDurable hot dip galvanized finish offers long-term corrosion resistance outdoors.\u003c\/li\u003e\n\u003cli\u003eDesigned for ACQ lumber use, minimizing risk of accelerated corrosion in treated wood.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe kit is limited to 1\/4 in diameter and 6 in length, so different sizes require separate purchases.\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\u003e1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e6 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead diameter\u003c\/td\u003e\n\u003ctd\u003e0.578 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNut thread\u003c\/td\u003e\n\u003ctd\u003e1\/4 in-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNut wrench size\u003c\/td\u003e\n\u003ctd\u003e7\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWasher outside diameter\u003c\/td\u003e\n\u003ctd\u003e47\/64 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponents\u003c\/td\u003e\n\u003ctd\u003e100 carriage bolts, 100 USS washers, 100 hex nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis carriage bolt kit is a practical, cost-effective option for anyone building or repairing outdoor wood structures who needs a bulk supply of matched fasteners with reliable corrosion protection. The hot dip galvanized finish and standards compliance make it a sensible choice for decking and pergola projects, offering good long-term value for common exterior fastening needs.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bolts suitable for treated lumber?\u003c\/strong\u003e\u003cbr\u003eYes, the hot dip galvanized coating and listed suitability mean they are appropriate for use with ACQ treated lumber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat tools are required to install them?\u003c\/strong\u003e\u003cbr\u003eThe hex nuts use a 7\/16 in wrench, and standard sockets or wrenches sized to that will work for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include washers and nuts?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes 100 USS thick washers and 100 Grade 2\/A hex nuts along with 100 carriage bolts.\u003c\/p\u003e","brand":"Makers Bolt","offers":[{"title":"Default Title","offer_id":48673562722523,"sku":"B0DT1KVPPL","price":54.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61QHcicxYqL._SL1500_55a3ec8f-7833-452f-b560-c127c9be08ec.jpg?v=1778703577","url":"https:\/\/gearmusthave.com\/products\/1-4-in-x-6-in-carriage-bolt-kit-100-pack-hot-dip-galvanized","provider":"GearMustHave","version":"1.0","type":"link"}