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m10的螺纹钻多大的孔

更新时间: 2020-11-13 00:00:00     

M10内螺纹孔预钻孔要根据具体情况预留:

标准螺纹M10*1.5,螺纹底孔应该用φ8.5的钻头;丝锥用M10*1.5的丝锥(没考虑螺纹的精度等级);

如果是M10*1.25,要用φ8.7的钻头;丝锥用M10*1.25的丝锥(没考虑螺纹的精度等级);

如果是M10*1,要用φ9的钻头;丝锥用M10*1的丝锥(没考虑螺纹的精度等级);

如果是M10*0.75,要用φ9.2的钻头;丝锥用M10*0.75的丝锥(没考虑螺纹的精度等级)。

关键词: m10 螺纹

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