Feature(may vary by option.)

●Number of teeth: 20
●Module: 0.25M
●Inner hole: 2mm tight fit
●Total thickness: 3 mm
●Maximum outer diameter: 5.5 mm

[20 Teeth]

Description

20T MINI COPPER GEAR
Small module gear is used for toy accessories, for mini cars, for remote control aircraft etc.
How to calculate the calculation of gear? (for reference only)
Gear module M = outer diameter ÷(number of teeth +2)
Outside diameter = Gear module ×(number of teeth +2)