RC-PINION-M0.5-3.175-T31 module 0.5 pinion gear, 31 teeth, 3.175 mm bore, M3 set screw

pinion

Use it

(import "parts/rc/RC-PINION-M0.5-3.175-T31.ik" as p)

In a design on ink: ask your agent for it by name, or by what it must be.

Frame of reference

Shaft +z; toothed rear face z=0; radial set screw enters +x.