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Specification：
Name: R8-FMB
Overall clamping runout: 0.01-0.05
Specification: 7/16-20
True roundness:<0.8 μ m
Body accuracy: 0.005mm
Depth of carburization:>0.8MM
Material: Chromium Molybdenum
Surface roughness:>0.8MM
Hardness:>HRC50 ° -55 °
Standard speed: below 10000 revolutions per minute
Feature：
1. Adopting quenching processing technology, high concentricity
2. Made of Mingmo material, it has high thermal strength and oxygen resistance, and stable quality.
3. Stable use, not easy to sway left and right, ensuring processing rigidity and comfort.
