989PCS M2 Button Head Hex Socket Screws and Nuts Assortment Kit, 304 Stainless Steel Bolts with Flat & Spring Washers Wrench, Metric Fasteners for Drone, RC Car, 3D Printer DIY

COMPLETE 989PCS M2 SET: Never let a missing fastener stall your project. This extensive kit provides 7 different lengths of M2 button head screws (4mm-20mm), complemented by matching nuts, flat washers, and spring washers for a total of 989 pieces to handle any fine-scale task. BUTTON HEAD DESIGN: Our button head screws feature a wider bearing surface and a sleek, rounded profile. Perfect for applications requiring a clean finish and added safety, such as drone frames, electronic enclosures, and furniture assembly. RELIABLE 304 STAINLESS STEEL: Engineered from premium 304 stainless steel, these fasteners provide excellent corrosion resistance and strength. They are designed to withstand humid conditions without degrading, making them ideal for both indoor precision instruments and outdoor hobbyist models. ANTI-VIBRATION & SECURE FIXING: We've addressed the common issue of loosening by including 247PCS of spring washers. When paired with our high-precision threads, they create a vibration-resistant bond that keeps your 3D printer components and RC car parts securely in place. STURDY CASE WITH SECURE DIVIDERS: Stop wasting time sorting mixed hardware. Our kit arrives in a reinforced, clearly labeled storage box with tight-fitting dividers that prevent parts from jumping compartments during transit, ensuring your M2 screws stay organized from day one.