OD 8mm x 300mm Cylinder Liner Rail Linear Shaft Optical Axis
- Material: bearing steal,GCr15
- Hardness: About HRC58°
- Precision: g6
- Surface roughness: Below 1.5µM(Rmax)
- Surface hard-thickness: 0.8µ~3mm
- Outer diameter: 8mm
- Length: 300mm
- Staightness: Below 5µM/100mm
- Hard chrome thickness: 3.0µM(Rmax)