Stainless Worm Gear 1.Application: for stroter /rexnord /tractor 2.Dimension:10~4000diameter 3.Standard:ISO,ASTM,JIS,DIN,BS Stainless Worm Gear ISO9001 ... , Aluminum casting, Cast metal part, Copper fitting, Copper nut, Bushing, Gear, Worm and Worm Wheel,Copper bushing and all non-ferrous ...