M3 Screw and Nut Assortment Kit for 3D Printer DIY - 400 Pcs Bolts and Nut Assortment Hex Socket Head Cap with Storage Box for RC Cars, DIY Projects,12.9 Grade Alloy Steel

Product Description:Premium M3 Screw and Nut Assortment for Precision ProjectsUpgrade your toolkit with this 400-piece M3 screw and nut kit, meticulously designed for hobbyists, engineers, and DIY enthusiasts. The set includes 6mm (40 pcs), 8mm (40 pcs), 10mm (30 pcs), 12mm (30 pcs), 16mm (30 pcs), 20mm (30 pcs) screws and 200 M3 nuts, providing the perfect balance of sizes for intricate repairs, 3D printer assemblies, RC car maintenance, and more.Why Choose This Kit?Industrial-Grade Material: Crafted from 12.9-grade alloy steel, these screws withstand extreme stress and vibration, outperforming standard stainless steel alternatives.Effortless Installation: Hex socket heads enable quick manual tightening or compatibility with hex keys for added torque control.Neat & Tidy Storage: The rugged plastic case features labeled compartments, ensuring screws and nuts stay sorted and easily accessible for years.Broad Compatibility: Ideal for metal, wood, plastic, and composite materials, making it indispensable for electronics, drones, furniture, and crafts.Trusted PerformanceEvery component undergoes stringent quality checks to guarantee precise threading, consistent sizing, and corrosion resistance. Whether you’re a professional or a weekend tinkerer, this kit delivers reliability and convenience in one compact package.

• Versatile Multi-Size Kit – Includes M3*6/8/10/12/16/20mm screws (200 pcs) and 200 M3 nuts, offering a comprehensive assortment for diverse DIY, 3D printing, robotics, and RC car projects.
• Ultra-Strong 12.9 Grade Alloy Steel – Heat-treated for exceptional durability, high tensile strength, and resistance to wear, ensuring long-lasting performance under heavy loads.
• Clean & User-Friendly Design – Hex socket heads allow easy hand tightening without wrenches, while the non-oily surface keeps hands and projects clean.
• Organized Storage Solution – Packed in a sturdy, compartmentalized plastic box for quick access, secure storage, and hassle-free portability.
• Reliable Quality Assurance – Rigorously tested for precision and strength. Backed by a 24-month warranty and responsive customer support for worry-free purchases.