1. High precision involute gear for industrial machinery 2. Precision ... cast iron, Ductile Iron, WeldmentModulus3mm-50mmAccuracyDIN Class 4, ISO/GB Class 4, AGMA Class 13, JIS Class 0StandardDIN ... , ISO/GB, AGMA, JISNo. of teethmore than 12Heat treatmentQuenching ... Gear width600mm max.Weight15 tons max.Production equipmentApplications high speed gear shaft