Lead (Threading)

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Lead Vs. Pitch in a thread
Two Starts Thread

What is a Lead of a thread?

The lead is the linear distance the thread travels due to a full 360° rotation.

Lead Vs. Pitch

  • In the typical standard case of one start thread, the lead equals the pitch (L=P).
  • In multi-start threads, the lead equals the pitch times and the number of starts. (L=n*P)
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