M6 X 25mm Hex Socket Grub Screw Set Cup Point Black 1mm Pitch 12.9 Alloy Steel 20 Pieces Beefy Heavy Duty Hex Head Fasteners For Machinery Motors And DIY Projects

M6x25mm Hex Socket Grub Screw Set, 20 Pieces
✔️ 12.9 alloy steel, M6x25mm, 1mm pitch, cup point, hex head

The grub screw set is a black finished group of 20 M6 x 25 mm cup point hex socket grub screws. These fasteners are commonly used to lock pulleys, gears, and other parts to a shaft in machinery, motors, and DIY projects.

✅ Thread size: M6 x 25 mm
✅ Pitch: 1 mm
✅ Head style: hex head, cup point
✅ Material: 12.9 alloy steel, black finish
✅ Package: 20 pieces

💡 What is a grub screw used for in mechanical assemblies? This handy fastener locks parts to a shaft without a protruding head.
- locks pulleys, gears, and collars to shafts
- prevents relative rotation in machinery
- compatible with M6x25mm threads and 1 mm pitch
- provides compact, secure fastening in tight spaces