{"product_id":"metric-bolt-assortment-434pcs-m5-m6-m8-m10-m12-socket-head-kit","title":"Metric Bolt Assortment 434PCS M5 M6 M8 M10 M12 Socket Head Kit","description":"\u003cp\u003eIn this review the 434PCS Metric Bolt Assortment is evaluated as a practical workshop kit for hobbyists, small repair jobs, and light industrial maintenance. The bottom line: the set's strongest selling point is its breadth of sizes and the included storage box, which together make finding and organizing \u003cstrong\u003emetric socket head bolts\u003c\/strong\u003e and matching nuts and washers straightforward. For anyone who regularly works on machinery, appliances, or DIY projects, this kit cuts trips to the hardware store and keeps compatible fasteners on hand.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide size range:\u003c\/strong\u003e Includes M5, M6, M8, M10 and M12 screws in multiple lengths, covering most common small-to-medium fastener needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete matching hardware:\u003c\/strong\u003e Each screw size comes with corresponding nuts and flat washers to improve load distribution and prevent damage to parts during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh strength material:\u003c\/strong\u003e Made from 12.9 grade alloy steel with a black oxide finish for increased tensile strength and basic corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrganized storage:\u003c\/strong\u003e All pieces are packed in a sturdy box that helps prevent loss and keeps selections visible and accessible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex tools included:\u003c\/strong\u003e A set of five hexagon wrenches is provided so you can start using the kit immediately on socket head cap screws.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe kit suits hobby mechanics, home repairers, and small workshop owners who need a variety of \u003cstrong\u003emetric bolts and nuts\u003c\/strong\u003e without buying individual lengths. Its mix of M5 through M12 parts and multiple lengths makes it especially good for assembling machinery, electronics enclosures, and household repairs.\u003c\/p\u003e\n\u003cp\u003eIt is not geared toward heavy structural construction or high-corrosion outdoor applications where stainless fasteners or specialized coatings are required. Buyers needing uncommon thread pitches or a larger quantity of a single size should look for bulk or specialized packs instead.\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\u003eComprehensive selection of sizes and lengths reduces the need to source separate parts for routine jobs.\u003c\/li\u003e\n\u003cli\u003eMatching nuts and washers for each size simplify proper assembly and increase joint reliability.\u003c\/li\u003e\n\u003cli\u003e12.9 grade alloy steel offers high tensile strength for demanding small machinery use.\u003c\/li\u003e\n\u003cli\u003eSturdy storage box and included hex wrenches make the kit ready to use and easy to organize.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBlack oxide finish offers limited corrosion resistance compared with stainless steel, so it's not ideal for prolonged outdoor exposure.\u003c\/li\u003e\n\u003cli\u003eLow counts for larger sizes (M10, M12) mean the kit favors variety over large-volume replacement of big fasteners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e434 pieces total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew sizes\u003c\/td\u003e\n\u003ctd\u003eM5, M6, M8, M10, M12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength options\u003c\/td\u003e\n\u003ctd\u003e12mm, 16mm, 20mm, 30mm, 40mm, 50mm, 60mm, 80mm, 100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded hardware\u003c\/td\u003e\n\u003ctd\u003eScrews, matching nuts, flat washers, 5 hex wrenches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial and grade\u003c\/td\u003e\n\u003ctd\u003eAlloy steel, 12.9 grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile strength\u003c\/td\u003e\n\u003ctd\u003eApprox. 1220 N\/mm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 434PCS Metric Bolt Assortment is a solid, cost-effective option for anyone who needs a varied inventory of \u003cstrong\u003esocket head machine screws\u003c\/strong\u003e and matching hardware kept in a practical storage box. Its high-strength 12.9 alloy steel and included washers and hex wrenches make it a dependable kit for workshop maintenance and DIY projects, though those needing superior corrosion resistance or large volumes of a single large size should consider alternatives.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include matching nuts and washers for each screw?\u003c\/strong\u003e\u003cbr\u003eYes, each screw size in the kit includes corresponding nuts and flat washers to ensure proper assembly and load distribution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the material and strength grade of the bolts?\u003c\/strong\u003e\u003cbr\u003eThe fasteners are alloy steel with a 12.9 grade rating and a black oxide finish, providing high tensile strength for demanding small machinery uses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this kit suitable for outdoor or marine use?\u003c\/strong\u003e\u003cbr\u003eThe black oxide finish gives limited rust resistance; for prolonged outdoor or marine exposure, stainless steel fasteners are a better choice.\u003c\/p\u003e","brand":"Xrfoiniu","offers":[{"title":"Default Title","offer_id":48256239927515,"sku":"B0C9DDFBWH","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81R1UjdU8HL._SL1500.jpg?v=1778315572","url":"https:\/\/gearmusthave.com\/products\/metric-bolt-assortment-434pcs-m5-m6-m8-m10-m12-socket-head-kit","provider":"GearMustHave","version":"1.0","type":"link"}