{"product_id":"lukaisen-481pcs-m3-long-hex-socket-head-cap-screws-and-nuts-assortment-kit-grade-12-9-alloy-steel-metric-bolts-m3-x-30-35-40-4","title":"LuKaiSen 481PCS M3 Long Hex Socket Head Cap Screws and Nuts Assortment Kit, Grade 12.9 Alloy Steel Metric Bolts (M3 x 30\/35\/40\/4","description":"\u003cp\u003eTired of Short Screws That Don't Reach? Meet the LuKaiSen Grade 12.9 M3 Long Fastener Solution. In precision DIY and mechanical engineering, sometimes a standard screw just won't cut it. Whether you are building a custom 3D printer, securing a drone frame, or repairing RC vehicles, you need length and strength. The LuKaiSen 481PCS M3 Long Screw Assortment is designed to fill that gap with high-tensile 12.9 grade alloy steel hardware. Why Grade 12.9 Alloy Steel? When your project involves high-speed movement or heavy stress, 12.9 grade carbon steel is the industry standard. It offers significantly higher yield strength than 304 stainless steel. Combined with our Black Oxide Treatment, these bolts provide a professional look and reliable performance for years to come. Engineered for Stability: We don't just give you the bolts. Every size is supported by: Flat Washers: To distribute pressure and protect your surfaces. Spring Washers: To provide tension and resist loosening caused by vibration. Metric Nuts: For a secure, permanent hold. Whats in the Box? M3 x 30mm (30pcs), 35mm (25pcs), 40mm (25pcs), 45mm (20pcs), 50mm (20pcs) M3 Hex Nuts (120pcs) M3 Flat Washers (120pcs) M3 Spring Washers (120pcs) 1 x Matching Allen Wrench 1 x Portable Organizer Box LuKaiSen Professional Hardware: Precision you can trust, strength you can feel. Add to your toolkit today!\u003c\/p\u003e","brand":"LuKaiSen","offers":[{"title":"Default Title","offer_id":45188749852787,"sku":"WBIASB0GQZFFGMC","price":11.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/1958\/6419\/files\/810sBRVBkoL.jpg?v=1783493593","url":"https:\/\/slickpurchase.com\/products\/lukaisen-481pcs-m3-long-hex-socket-head-cap-screws-and-nuts-assortment-kit-grade-12-9-alloy-steel-metric-bolts-m3-x-30-35-40-4","provider":"Slickpurchase","version":"1.0","type":"link"}