nut and bolt —

Founded nut and bolt models & stl files for printing
Lightning Bolt Easy Quick Print
3DManufacturingHub
Brickyard Compatible Bolts
Rexington Beowulf
Wire Nut
r00t4rd3d
SCREW and NUT
Prusa Research
14 Jack NUT
jakned
Screw and nut containers
Dominik_Liskiewicz
Screwsorter
Finium