Questions tagged «screw-mount»

1
如何识别未知的线程安装?
当地的一家旧货店出售的是带有螺纹(螺丝)固定座的波纹管。未识别安装。我有一个便宜的数字卡尺。可能的坐骑是什么,如何通过测量来区分它们? 例如,我知道有一个标称值为42mm的“ Pentax”螺钉安装座,但是从测量公座和母座直径上我应该期望的实际测量值是多少?我需要担心螺距吗?
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