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Product Details
✓3440-PIECE MEGA ASSORTMENT: This comprehensive metric screw assortment kit features 3440 pieces of M2, M3, M4, and M5 machine screws, matching hex nuts, flat washers, and spring lock washers. Complete with 5 dedicated hex wrenches and precision tweezers, it fulfills all your professional workshops and DIY requirements.
✓DUAL-MATERIAL & HIGH STRENGTH1: Crafted from premium 10.9-grade black alloy steel and corrosion-resistant 304 stainless steel. The alloy components feature a smooth black zinc plating for exceptional wear resistance, while the stainless steel options offer ultimate rust-proof durability in harsh environments.
✓PRECISION THREAD & PERFECT FIT: Manufactured to strict hex socket button screw with sharp, clean, and burr-free threads. Screws, nuts, and washers thread together seamlessly with high bite force, preventing slipping or loosening during high-vibration applications.
✓VERSATILE APPLICATION SCENARIOS: Designed for engineers, mechanics, hobbyists, and electronics technicians. Ideal for precision machinery, 3D printer maintenance, household appliances, furniture assembly, automotive repairs, and electronic device projects.
✓UPGRADED ORGANIZER CASE: Housed in a heavy-duty, crystal-clear compartmentalized storage box featuring secure latches and adjustable dividers. Each compartment is clearly labeled with an inner reference guide for quick size identification and effortless reusability.