... or Left5-8S\CW\WH\WP Series ReducerNote: 1.The worm shft material can be 40Cr, 45#, 42CrMo etc.or according ... to the customer's requirements 2. The worm wheel material can be Brass, CuSn12Ni, QAL10-4,QA15, PA46 ... customer's requirements. 3. Heat treatment: Nitriding, Carburization and hardening, Quench and temper, Medium and high frequency .Company outlook::Gleason P60 hobbing machine ...