Feature

●Description: Can be used with 3mm D-Hole Gear, D-Shaft Motor or Shaft
●Number of Teeth: 12
●Hole: 0.1 inch (3 mm) d type
●Outer Diameter: Approx. 0.2 inches (6
●Modules:0.5

[3mm D 12 Teeth]

Description

12T 3MM-D.
Small modular gear is used in toy accessories for small cars, remote control aircrafts, etc.
How to calculate gear calculation (for reference only)
Gear module M = outer diameter (number of teeth + 2)
Outer diameter = gear module x (number of teeth + 2).