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| Tooth (Z) | Modul(M) | Diameter(Φ) | Normal Press Angle(a) | Hand | Quality (ISO) | Purpose |
| 1-200 | 0-6 | 0-600mm | 20°, 25° or according to the customer's requirment. | Right, Left, Spur | 5-8 | Auto Electric Power Steering (EPS) |
| Note: 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 etc. or according to the customer's requirements. | ||||||
worm wheel and gear for auto steering system
