... service offered and various CNC machining 3.Good abrasion Small Worm Gear SpecificationsISO9001:2000 system certifiedStandard: ISO, ASTM JIS, DIN, ... fitting, Copper nut, Bushing, Gear, Worm and Worm Wheel,Copper bushing and all non-ferrous metal alloy parts. We can supply kinds of ... worm gear as per your requests. Welcome your ...