name: worm wheel material; 20CrMnTi,20#,45Cr We offer you the service producing ... bevel gear, sprial gear, ring gear, internal gear, sprocket, chain wheel) transmission, gear box, reducer ,shaft and sleeve etc.ApplicationSuitable for ... decrease noise and increase load capacity.MaterialCarbon Steel , alloy steel , stainless steel , aluminum alloy , zinc alloy , brass , gray iron , nodular cast iron , ...