Super hard, heat treated, "Absolute" pinion gears
- are a must for using with our steel spur gears
- and will last forever if used with plastic spur gears.
- In sizes 9 through 21 teeth. (We try to stock as many of these at all times)
- All pinions stamped with tooth number.
- 5mm shaft bore.
- One 4mm set screw included.
- 2mm inch allen wrench (NOT INCLUDED) fits the 4mm set screw.