... 4000diameter 3.Standard:ISO,ASTM,JIS,DIN,BS Stainless Worm Gear ISO9001:2000 system certifiedStandard: ISO, ASTM JIS, DIN ... Centrifugal casting and Metal mould CastingDimensions: ¢10~¢4000mm DiameterWeight: 0.1~10MtMain Material:Phosphor Bronze: ZCuSn10PAlluminium Bronze: ZCuAl9Fe4 / ... part, Copper fitting, Copper nut, Bushing, Gear, Worm and Worm Wheel,Copper bushing and all non-ferrous metal alloy ...