Solution · title block
Stepped Shaft Family
Multi-diameter precision shafts with grind options. Concentricity notes and bearing-seat callouts listed per print.
- Material
- 4140 / SS303
- Tolerance
- Concentricity 0.01
- Finish
- Grind / polish opts
- Lead
- 7–10 days
Stepped shafts for actuator, spindle, and drive-train programs. Diameter steps held within 0.01mm on bearing seats; grind options available for surface finish calls under Ra 0.4.
- Material: 4140, 17-4PH, or 316L — heat-treat certs on request
- Tolerance: bearing seats within 0.01mm, concentricity logged per part
- Grind: cylindrical grind available for Ra ≤0.4 surfaces
- Threads: single-point or thread-milled, inspected with thread mics
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