name: worm wheel material; 20CrMnTi,20#,45Cr We offer ... gear,sprial bevel gear,internal gear,sprocket,transmission,reducer,shaft and sleeve etc. ProductsAll kinds of gears (spur ... ring gear, internal gear, sprocket, chain wheel) transmission, gear box, reducer ,shaft and sleeve etc.ApplicationSuitable for various light ... :2000Minimum quantityAccept trial order right hand worm shaft and worm wheel