... 3.Standard:ISO,ASTM,JIS,DIN,BS Stainless Worm Gear ISO9001:2000 system certifiedStandard: ISO, ASTM ... etcQuality assurance: high density and precisionGood abrasion and corrosion resistance&hardnessOEM service offered and Various CNC machiningHigh quality,reasonable ... , Copper fitting, Copper nut, Bushing, Gear, Worm and Worm Wheel,Copper bushing and all non-ferrous metal alloy parts. Packaging Detail ...