390 Pcs M3 Flat Head Countersunk Cross Machine Screws And Nuts Set In Black Steel For Electronics, DIY Projects, Robotics And Hobby Builds With Hex Nuts Kit For Strong Easy Mounting

390-Piece M3 Flat Head Screws & Nuts Kit for Electronics
✔️ 390 pieces: M3 flat head screws and matching hex nuts

This 390-piece set includes M3 flat head screws and matching hex nuts in black steel, built for electronics projects, robotics builds, model making, and small furniture assembly.

✅ M3 standard specifications with metric compatibility
✅ Flat head countersunk design for flush mounting
✅ Cross-recessed PHILLIPS drive for quick tightening
✅ Includes matching hex nuts in the 390-piece set
✅ Black surface treatment for rust resistance and sleek look

💡 What is an M3 screw and nut set used for in electronics and hobby projects?

These handy fasteners cover common mounting needs in compact builds, offering flush mounting and reliable holds.

- Ideal for electronics enclosures, robotics mounts, and model kits
- Works with standard M3 threaded holes for quick, secure assembly
- Black-coated steel provides rust resistance and a clean, unobtrusive finish
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