... various light vehicle transmissions, auto parts, construction equipment, machine tools, conveyors, material handling, multi-spindle drives, roller feeds etc ... DIN,BSW,GB etc.(including non-standard) Material Carbon steel such as C45,20CrMnTi,40Cr,42CrMo,45# Quality ... welcome to mail us and offer us your drawings for better quotation and other details. precision stainless steel worm and worm gear