6：100鲁尔锥度量规|ISO 8638 Fig 3a

1.材料：不次于日本DC53；2.真空淬火热处理及QPQ复合渗透处理工艺；3.洛式硬度HRC58°以上；4.尺寸及加工精度4.1平行度：小于等于0.01mm4.2垂直度：小于等于0.01mm4.3对称度：小于等于0.01m

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