Metric M4 x 5mm long Grub/Set Screw
Don't you hate it when you lose the set screw? Here are replacements!
These are replacement grub / set screws for our 8mm bore GT2 20T and 40T pulleys.
We recommend you order these in pairs, as there are 2 on each pulley.
- Metric specification: M4
- Length: 5mm
- Head: 2mm allen key