SK钢环仪表主环量规 +耐受350mm RG-350

Roundness (μm): 5
Diameter unevenness (μm): 10
Inner diameter tolerance (μm): ±8.0
Surface roughness (μm): within Ra0.1
Rightness: 0.05/φ100
Parallelness (mm): within 0.015

主体：合金工具钢

15580G

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