STS Components
STS Shaft Assembly
Ground and hardened shaft assembly held to sub-10-micron concentricity.
EN8 / EN24 Alloy Steel, Hardened & GroundTolerance: ±0.005mm concentricity
A STS-ground shaft assembly machined from hardened alloy steel, used wherever rotating equipment needs sub-10-micron concentricity across the full shaft length.
Every batch is 100% dimensionally inspected on our CMM before release, with material certification available on request.
Technical Specifications
| Material | EN24 Alloy Steel |
| Diameter Range | 8mm – 45mm |
| Length Range | Up to 600mm |
| Hardness | 58–62 HRC (case hardened) |
| Surface Finish | Ra ≤0.4µm, ground |
| Tolerance | ±0.005mm concentricity |
Typical Applications
- Rotating machinery
- Pump & motor assemblies
- STS gearboxes
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