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Material: GCr15 hign carbon chromium steel;
Tolerence:g6 or h6;
Hardness: HRC 62+/-2;
Effective hardening depth: 0.8~2.5mm;
Roughness: Ra0.8;
Straightness: 50um/300mm
Shaft diameter: from 3 to 60.

Material: GCr15 hign carbon chromium steel;
Tolerence:g6 or h6;
Hardness: HRC 62+/-2;
Effective hardening depth: 0.8~2.5mm;
Roughness: Ra0.8;
Straightness: 50um/300mm
Shaft diameter: from 3 to 60.



