2d zip screws

3d bolt

m6 screw

Orthogonal views of a skp piece

Gear arm – technical drawing

bolt nut

metric thread

3d threads

structural profiles

3d screw

Screws – bolts – nails

Barrette

type a screws

philips screw

3d piece

Isometric views of parts

chain transmission

Roskas

Representation of springs; crossbows

3d nut

3d screw and hexagonal nut m16