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螺纹粗细牙如何区分
更新时间: 2020-06-29 00:00:00  

螺丝上相邻螺纹之间的距离叫螺距,俗称牙距。

按国家标准普通公制螺纹上规定的螺距尺寸,生产出来的螺丝称粗牙螺丝。如果是与粗牙螺丝同样的螺纹外径,而螺距尺寸小于粗牙螺距尺寸的螺纹,同时符合细牙尺寸标准,习惯上称细牙螺纹。

关键词: 螺纹 粗细 如何 区分

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