Red plastic MOD 1 spur gear with 18 teeth and a 18mm outer diameter with a 4mm brass centre which is secured using a grub screw.
These red plastic gears will mesh with all other gears, racks and worm drives in this range.
All brass centred gears in this range have a 4mm diameter centre bore which is suitable for use with all of our 4mm diameter steel shafts.
It is suggested that a flat surface is filed onto the shaft aligned with where the grub screw will tighten to prevent slipping.
Allen key to tighten grub screw is supplied.
Sold individually so only buy what you need.
Number of teeth: 18
Full Depth: 18mm
Gear Depth: 6mm
Centre bore: 4mm
Contents of Package
1 x 4mm Brass bore 18mm diameter red plastic gear.