... pcs per month 4.Factory price Good smooth big brass worm for gearbox Feature of Processing 1) Gear precision: ISO Class 4 ... ) Gear Mould no.: 0.3~154) Teeth profile: Spur,Helical,Worm,Spiral or other types 5) Use application: heavy gear box ... , Brushing & ploshing,Electrophoresis etc.OEM & ODM ServiceAvailableDesign SoftwarePRO/E, Auto CAD, Solid Works and Unigraphics NX Trade Terms:FOB,CIF,EXWPayment ...