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This precision stepped shaft is made of 45# carbon steel, designed for automotive fixture & positioning assembly. ✅
Process: CNC turning + high-frequency surface quenching ✅
Tolerance: ±0.05 for critical diameters ✅
Feature: Cross hole Φ4, 90° countersink structure ✅
Surface finish: Ra3.2 High-frequency hardening delivers excellent surface wear resistance while retaining core toughness, resisting cracking under repeated friction & cyclic movement.
We support custom precision shaft, guide pin, fixture shaft for automotive, machinery automation.
Prototype & batch orders are welcome. Send your drawing to get a fast quotation.