... steel such as C45,20CrMnTi,40Cr,42CrMo 2. High precision 3.Small gear Feature of high precision brass gear•Material: carbon steel such as ... or nylon and so on•Heat Treatment: Hardening and Tempering, High Frequency Quenching, Carburizing Quenching and so on.•Standard: European or ... your special sample or drawing and meet your need for high precision on teeth of gear. High precision brass pinion gear