1 Modulus 12T-120T Spur Gear With Step Motor Pinion Transmission Gear 45# Steel 

Description:

-Modulus: 1 Modulus。

-Tooth pitch : 3.14mm。

-Tooth depth : 2.25mm。

-Number of tooth: 12-120Tooth。

-Material: 45 # steel。

-Hardness is strong.，Durable，Drive smoothly and reliably，High efficiency， and long life。

-The surface of 12-38 teeth of the gear is blackened as a whole, and the surface of 40-120 teeth is quenched。

Package Include: According to your choose