Massive M3 And M4 Countersunk Screws Kit For DIY Projects And Electronics Includes 430 Piece Assortment With M3 Sizes 4 5 6 8 10 16 20 25 And M4 Sizes 6 8 10 12 16 20 25 In 4MM To 25MM Lengths For 3D Printers Machinery And Every Project

Premium M3/M4 Countersunk Screws Kit for DIY Projects
✔️ 430 pcs total, M3 and M4 countersunk screws, 4-25 mm

This 430-piece countersunk screw kit covers M3 and M4 hardware for DIY electronics, 3D printers, computer builds, and general machinery assembly. The flat-head design sits flush against surfaces for a neat, professional finish. Stored neatly in a durable case for quick access.

✅ 430-piece assortment with M3 lengths 4-25 mm and M4 lengths 6-25 mm
✅ Countersunk flat head design for flush mounting on surfaces
✅ Carbon steel screws with corrosion resistance and burr-free finish
✅ Durable black finish and organized storage case for quick access

💡 What is a handy general-use screw kit for electronics and DIY projects?

This handy set covers common fasteners for electronics repair, PC builds, and hobby projects. - Handy for electronics repair, computer hardware, and machine upkeep - Carbon steel screws resist rust and stay strong under stress - Includes M3 and M4 sizes with multiple lengths for versatility ✝️