- Standard Material: Bearing steel AISI (SAE) 52100
- Optional Material: AISI 440B / AISI 420
- Hardness: 62 ± 2 HRC
- Minimum size 2 x 30 mm
- Maximum size 12 x 160 mm
The guide shafts are hardened and ground. The guide diameter is precision ground and lapped to a tolerance of ISO h3. Roundness and cylindricity is within ISO h1 and guarantees for each individually matched PHZ high-precision ball bearing high accuracy.