... BSW,GB etc.(including non-standard) Material Carbon steel such as C45,20CrMnTi,40Cr,42CrMo,45# ... milling machine, drilling machine, hobbing machine, grinder, gear shaper, testing center. Processing 1)Adopts optimal design ... increase load capacity 2)Precision hot and cold forging, precision machining and roll forming Module Our ... quotation and other details. precision stainless steel worm and worm gear