Precision Stainless Steel Shaft with Spline Machining

High-precision CNC turned stainless steel shaft (SUS304/SUS316) with involute spline machining, featuring ±0.005mm concentricity tolerance, Ra 0.8μm surface finish on bearing journals, 45HRC hardened and ground spline teeth, overall length 280mm with 5 distinct diameter steps, manufactured on Citizen Cincom L32 Swiss-type CNC lathe with live tooling capability. Suitable for hydraulic pump drives, gearbox input shafts, and precision actuator assemblies. 100% CMM inspection with dimensional report, material certificate EN 10204 3.1 included. MOQ 100 pieces, lead time 3-4 weeks.