{"product_id":"750pcs-sae-metric-nylon-insert-lock-nuts-kit-assorted-nylock-nuts","title":"750PCS SAE \u0026 Metric Nylon Insert Lock Nuts Kit - Assorted Nylock Nuts","description":"\u003cp\u003eIn this review of the 750PCS SAE \u0026amp; Metric Nylon Insert Lock Nuts Kit the bottom line is simple: it is a practical, all-in-one assortment for hobbyists, mechanics and maintenance shops that need common locknut sizes in stainless steel. The reviewer found the kit most valuable for mixed metric and imperial projects because it includes both systems and a clear storage box, making it easy to find the right size quickly. For anyone who frequently works on furniture, small machines or automotive trim, this kit saves time and trips to the hardware store.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide size assortment:\u003c\/strong\u003e The kit contains 750 locknuts split between 220 SAE pieces and 530 metric pieces, covering the most commonly used sizes so you rarely run out mid-project.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e304 stainless steel construction:\u003c\/strong\u003e Nuts are made from 304 (A2-70) stainless steel, offering better corrosion resistance and longer service life than standard plated hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNylon insert locking:\u003c\/strong\u003e Each nut has a nylon insert that grips bolt threads for reliable anti-loosening performance under vibration and repeated assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear storage box included:\u003c\/strong\u003e A divided storage box keeps eight imperial sizes sorted and visible for quick selection and reduced loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric and SAE compatibility:\u003c\/strong\u003e Including M2 through M12 and common imperial threads like 1\/4'-20 and 3\/8'-16 means the kit supports both household repairs and light industrial tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is well suited to DIYers, small workshop owners and automotive hobbyists who handle a mix of metric and imperial fasteners and need a compact, organized supply of locking nuts. It is especially useful for routine maintenance, furniture assembly, equipment repair and small fabrication jobs where corrosion resistance and vibration resistance matter.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who require specialty grades, high-strength alloy locknuts or large industrial quantities beyond 750 pieces; also avoid this kit if you need exclusively one uncommon size not listed in the assortment.\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\u003eGood value for a 750-piece mixed kit that reduces repeat trips for different sizes.\u003c\/li\u003e\n\u003cli\u003eDurable 304 stainless steel resists corrosion better than typical galvanized nuts.\u003c\/li\u003e\n\u003cli\u003eNylon insert design provides dependable anti-loosening performance under vibration.\u003c\/li\u003e\n\u003cli\u003eClear storage box keeps commonly used imperial sizes organized and visible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurability feedback from some customers is mixed, so heavy industrial use may reveal limits compared with specialty locknuts.\u003c\/li\u003e\n\u003cli\u003eThe storage box appears arranged for imperial sizes only, requiring extra sorting for all metric pieces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit quantity\u003c\/td\u003e\n\u003ctd\u003e750 pieces (220 SAE, 530 metric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel (A2-70) with nylon insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImperial sizes included\u003c\/td\u003e\n\u003ctd\u003e6#32, 8#32, 10#24, 10#32, 1\/4'-20, 5\/16'-18, 3\/8'-16, 1\/2'-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric sizes included\u003c\/td\u003e\n\u003ctd\u003eM2, M2.5, M3, M4, M5, M6, M8, M10, M12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eClear divided storage box for eight imperial sizes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor general purpose repairs and mixed fastener work the 750PCS lock nuts kit is a practical, cost-effective choice that combines the corrosion resistance of \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e with the anti-loosening benefit of nylon inserts. It is a good buy for DIYers and small shops needing an organized assortment of common sizes, though those requiring heavy industrial grade or exclusively metric storage may prefer a different solution.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these nuts corrosion resistant?\u003c\/strong\u003e\u003cbr\u003eYes. The nuts are made from 304 stainless steel which offers good resistance to corrosion and oxidation for longer service life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include both metric and imperial sizes?\u003c\/strong\u003e\u003cbr\u003eYes. The set includes 220 SAE pieces and 530 metric pieces covering common sizes from 6#32 and 1\/4'-20 to M2 through M12.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a storage box included?\u003c\/strong\u003e\u003cbr\u003eYes. A clear storage box is provided to keep eight imperial sizes organized and easy to access.\u003c\/p\u003e","brand":"JMINRUN","offers":[{"title":"Default Title","offer_id":48245347680475,"sku":"B0D78VRM18","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81MOkAucPsL._SL1500.jpg?v=1770918520","url":"https:\/\/gearmusthave.com\/products\/750pcs-sae-metric-nylon-insert-lock-nuts-kit-assorted-nylock-nuts","provider":"GearMustHave","version":"1.0","type":"link"}