- Quite smooth surface, resistant to rust and corrosion.
- Made of high quality bearing steel, the linear rod are durable and sturdy.
- Shaft diameter and length specified for accurate fit.
- Suitable for 3D printer Reprap X Y Z axis, CNC, etc.
- Extensive applications, especially in bearing purpose.
- Material: High Quality Carbon Steel
- Hardness: 55-60 HRC
- Surface Hard-thickness: 0.8 – 2.5mm
- Surface roughness: 0.8S – 1.6S
- Straightness: 0.8mm
- Surface Chrome thickness: 10um-20um
- Surface Finish Quality: Ra 0.8