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    Mathematics behind calculating pitch

    Hi, I am fairly new to the thread world and have an interest in the basic mathematics behind it. I wanted to find out if the below formula is correct for calculating the pitch of a thread: Major DIA : 1.78 Pitch DIA : 1.7505 Minor DIA: 1.7242 Formula I found online (Please keep that in mind...
  2. N

    Uncertain of Imperial based thread sizes

    Hi everyone, I was hoping someone could help me read how to construct the following thread: 13/14-17-NS-3 Major DIA .875 Pitch DIA .8 Minor DIA .786 I understand the DIA bits but not the NS thread label. Apologies if this is the wrong place to post this, however I am just struggling to find...
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