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How to draw bolts

2012-12-02View Original

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In drawing, when illustrating bolts, is it necessary to show the pitch in detail, or is it sufficient to simply indicate it, such as with a notation like M24*1.5?
Reply #22012-12-03
Just mark M24*1.5 directly; those who do the machining will know how to proceed. It would be helpful to include more markings on the NPT threads. Ordinary threads do not require detailed marking.
Reply #32012-12-03
Thank you, now I know how to label it

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