Worm type
ZA, ZN, ZI, ZK, ZC
Heat treatment hardness
64 - 67HRC
Function
Worm gear (worm wheel) hobbing
Coating
TiN,TiAlN,TiCN,AlCrN and so on
Starts
Single and multi starts
Flute
Straight and helical flute
Standard
GB, DIN, AGMA, BS, and so on
Place of origin
Hanzhong City, Shaanxi, P.R.China