Material
HSS, M2(6542), W18, W9, Hard Alloy(tungsten steel), etc.
Coating
Bright, TiN, TIAlN.etc
Hardness
HSS4341:HRC63-64, HSS 6542:64-65, HSS M35:HRC 66-67
Shape of teeth
Gear milling, Tungsten carbide teeth, Gear grinding
Package
Oil paper + Paper box + Carton