{"product_id":"4071-x-nuts-and-bolts-assortment-kit-4mm-30mm-large-metric-fastener","title":"4071 x Nuts and Bolts Assortment Kit 4MM-30MM - Large Metric Fastener","description":"\u003cp\u003eOur review of this 4071 piece metric fastener kit finds it best for hobbyists, makers and technicians who need a comprehensive, ready-organized supply of machine screws and matching hardware. The single biggest reason to buy is the sheer variety and quantity: 940 screws, 940 nuts and over 2,000 washers and lock washers in a portable organizer mean fewer trips to the hardware store and faster project turnaround. The set is presented as a long-term workbench staple thanks to upgraded zinc electroplating and a sturdy storage case with improved lock buckles.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e4071 piece total:\u003c\/strong\u003e A massive assortment provides 940 screws, 940 nuts, 1090 flat washers and 1090 lock washers to cover many repair and build tasks without running short.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide size range:\u003c\/strong\u003e 39 full sizes from 4mm to 30mm let you match fasteners to projects from small electronics to light mechanical assemblies.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDurable finish options:\u003c\/strong\u003e Upgraded zinc electroplated and black oxidized processes extend rust resistance so parts stay usable longer without extra oiling.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality alloy steel:\u003c\/strong\u003e Screws are made from high grade 10.9\/12.9 alloy steel for strength and repeatable performance in machine applications.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOrganized portable case:\u003c\/strong\u003e Parts arrive in a reusable storage box with labeled bags, a stronger lock buckle and a compact footprint for moving between work sites.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAccessory tools included:\u003c\/strong\u003e The kit includes five L wrenches, five 50mm hex Allen drill bits and a tweezer so you can start working immediately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is ideal for 3D printer owners, electronics hobbyists, electricians doing light panel work and general DIYers who want an extensive, well organized selection of metric fasteners on hand. The quantity and size spread suits small production runs, frequent repairs and makers who assemble varied projects.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for heavy structural or automotive applications that require larger grade bolts or specialized coatings, and users needing imperial sizes should look elsewhere; this pack is strictly metric and focused on M2 to M5 families and longer 4mm to 30mm lengths.\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\u003eExceptional quantity and size variety reduces emergency part shortages.\u003c\/li\u003e\n \u003cli\u003eSturdy alloy steel construction and upgraded plating improve longevity for workshop use.\u003c\/li\u003e\n \u003cli\u003eClear organization in labeled bags and a lockable portable case makes storage and transport simple.\u003c\/li\u003e\n \u003cli\u003eIncludes useful accessories so you can begin assembling immediately.\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 focuses on small metric sizes and is not suitable for heavy structural fasteners or imperial projects.\u003c\/li\u003e\n \u003cli\u003eLarge total piece count can be overwhelming to sort if not using the provided organizer carefully.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eTotal pieces\u003c\/td\u003e\n\u003ctd\u003e4071 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eScrews included\u003c\/td\u003e\n\u003ctd\u003e940 pcs (metric M2, M3, M4, M5 sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eNuts included\u003c\/td\u003e\n\u003ctd\u003e940 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWashers included\u003c\/td\u003e\n\u003ctd\u003e1090 flat washers and 1090 lock washers\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSize range\u003c\/td\u003e\n\u003ctd\u003e39 sizes, 4mm to 30mm lengths\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaterial and grade\u003c\/td\u003e\n\u003ctd\u003eAlloy steel, 10.9\/12.9 grade\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAccessories\u003c\/td\u003e\n\u003ctd\u003e5 L wrenches, 5 50mm hex Allen drill bits, 1 tweezer, storage case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis 4071 piece metric nut and bolt assortment is a practical value for makers, technicians and DIYers who want a well organized, durable supply of small machine screws and matching hardware. The large counts, complete size range and improved plating make it a workbench staple for frequent repairs and projects, provided you need metric sizes rather than heavy structural bolts.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre imperial sizes included?\u003c\/strong\u003e\u003cbr\u003eNo, the set is strictly metric with M2 to M5 families and lengths from 4mm to 30mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the screws resist rust?\u003c\/strong\u003e\u003cbr\u003eThe kit uses upgraded zinc electroplating and a black oxidized option intended to extend corrosion resistance without extra oiling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the storage case portable and durable?\u003c\/strong\u003e\u003cbr\u003eYes, parts come in a reusable portable organizer with upgraded lock buckles for secure transport.\u003c\/p\u003e","brand":"K Kwokker","offers":[{"title":"Default Title","offer_id":48250332283099,"sku":"B0FH6TXH3Z","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/815vWgQ4eiL._SL1500.jpg?v=1771073169","url":"https:\/\/gearmusthave.com\/products\/4071-x-nuts-and-bolts-assortment-kit-4mm-30mm-large-metric-fastener","provider":"GearMustHave","version":"1.0","type":"link"}