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m6丝锥用多大钻头 – 家居日记

m6丝锥用多大钻头

m6丝锥用多大钻头
m6丝锥可以采用5mm的钻头。因为m6丝锥外径为6mm，螺距为1mm，螺纹长度为19mm，柄径为4.5mm，方头为3.55mm，切削锥径为4

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