Small spur gear Good performance High precision and durable Capacity 10,000 pcs per month Competetive price Precision steel spur gear Our Advantages:1) Gear precision: ISO Class 4~5 ( Niless gear grinding )2) heat treatment: Carburization and the hardness cuold be reached HRC58-623) Gear Mould no.: 0.3~154) Teeth profile: Spur,Helical,Worm,Spiral or other types 5) Use application: gear box for ...