External Diameter Accuracy : g6
Surface Roughness: max Ra 0.2 μm
Surface Hardness : HRC 60° ± 2°
Hard Chrome Thickness: <Φ22.225mm: min 10 μm
≧Φ24mm: min 15 μm
Straightness: <Φ20mm: max 0.25/1000mm
≧Φ20mm: max 0.2/1000mm
Roundness : tolerance × 1/2
Standard Length : 2M - 6M
Standard Size : Φ8 ~ Φ160
Steel Grade : JIS SUJ-2, DIN CF53,S55C
Other specification can be supplied upon request