hollow bolt and nut m8 —

Founded hollow bolt and nut m8 models & stl files for printing
Adaptable Hex Bolt Wrench
3rDesign Works.com
Restraining Bolt
MakerDan
14 Jack NUT
jakned
Screw and nut containers
Dominik_Liskiewicz
Lightning Bolt Easy Quick Print
3DManufacturingHub
Brickyard Compatible Bolts
Rexington Beowulf
Wire Nut
r00t4rd3d