Stainless Worm Gear 1.Application: for stroter /rexnord /tractor 2.Dimension:10~4000diameter 3.Standard:ISO,ASTM,JIS,DIN,BS Stainless Worm Gear ISO9001:2000 system certifiedStandard: ISO, ASTM JIS, DIN, BS etcQuality assurance: high density and precisionGood abrasion and corrosion resistance&hardnessOEM service offered and Various CNC machiningHigh quality,reasonable price,considerate service.... ...