3d nut

gear 16 teeth

Screwdriver

metric thread

Drawing piece 3d – autocad

3d tool

Structural bolts of different sizes

Orthogonal views of a skp piece

3d bolt

3d threads

bolt with nut 3d

Representation of springs; crossbows

Barrette

3d nut

3d screw

isometric piece

simple 3d model

chain transmission

Roskas

2d zip screws

whitworth thread