... ,Worm,Spiral or other types 5) Use application: gear box for steelworks Product TypeCNC hobbing gearMaterial:42CrMo, 20CrMnMo, 20Cr2Ni4, 35CrMo, 20CrMnTi ... per monthDelivery 20-30 days after receiving POApplicationsAutomotive Parts,hydraulics, compressors,Industrial equipments, transmission parts, etc.Our services:CNC Machining, Milling ...