SK钢环仪表主环量规 +耐耐受520mm RG-520

Roundness (μm): 5
Diameter unevenness (μm): 10
Inner diameter tolerance (μm): ±10.0
Surface roughness (μm): within Ra0.1
Rightness: 0.05/φ100
Parallelness (mm): within 0.015

主体：合金工具钢

33850g

-

-

-

-

-