Button Head Socket Cap Screw is a new kind of Socket Cap Screw, it has smaller head that can solve most problem of interfere with other components. The tool of this Button Head Socket Cap Screw is Cross & 2.5mm HEX Screwdriver.
Features:
- Made of stainless steel.
- Compatible with our Makeblock structures which have M4mm holes.
- Smaller head that can solve most problem of interfere with other components.
- Sold in packs of 25.