double directional bolt and nuts —

Founded double directional bolt and nuts models & stl files for printing
Insulating nut cap M5
Per Mejdal Rasmussen
Peanut  3D Scan
OpenScan
M5 nut knob
Matthias
Screwsorter
Finium
3030 TNut Clip
Duke-S-3D
Beveled Lightning Bolt
SubtleSorcery
Toilet bowl nut
Swisscore