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m42螺距是多少
更新时间: 2021-01-27 01:08:38  

m42螺距是4.5mm。用37.3的钻头钻底孔。

螺距是沿螺旋线方向量得的,相邻两螺纹之间的距离。

一般指在螺纹螺距中螺纹上相邻两牙在中径线上对应两点间的轴向距离。

螺距计算方法如下:

1、公制螺纹,如M20X1.5,其中1.5mm就是螺距,不用计算;

2、英制和美制螺纹的算法是,用25.4mm除以一英寸内的牙数,就是螺距。

关键词: m42 螺距 多少

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