... Module 0.8,Teeth 16,Small gear, 1. Material:carbon steel such as C45,20CrMnTi,40Cr,42CrMo 2. High precision 3.Small gear ... Module 0.8,Teeth 16, Small gear with drawing, The drawing as ... and Tempering, High Frequency Quenching, Carburizing Quenching and so on. 3. Surface Treatment: Galvanizing/Zincplating, Dacrotized, Black Anodic Treatment, ...