hollow bolt and nut m12 for 4mm ptfe —

Founded hollow bolt and nut m12 for 4mm ptfe models & stl files for printing
Adaptable Hex Bolt Wrench
3rDesign Works.com
4mm Bit Holder
HAMMER_T
3030 TNut Clip
Duke-S-3D
Wire Nut
r00t4rd3d
Restraining Bolt
MakerDan