... :5000 pcs per month 4.Factory price Good smooth big brass worm for gearbox Feature of Processing 1) Gear precision: ISO Class ... ) Gear Mould no.: 0.3~154) Teeth profile: Spur,Helical,Worm,Spiral or other types 5) Use application: heavy gear box ... for steelworks Product TypeCNC lathe partMaterial:Carbon Steel, Brass, Aluminium, Stainless steel, Plastic, POM, Delrin, Titanium Alloy etc.Process ...