What is thread pitch?

Prepare for the Machinist Apprentice Level One Test. Utilize flashcards and multiple choice questions, complete with hints and explanations, to ensure readiness for your exam!

Multiple Choice

What is thread pitch?

Explanation:
Thread pitch is the distance along the screw’s axis from one thread crest to the next crest. It tells you how finely or coarsely the threads are spaced. For example, a screw with 20 threads per inch has a pitch of 1/20 inch. Threads per inch describes how many threads fit in one inch and is the reciprocal of pitch for a single‑start thread. Diameter or thread angle describe other aspects of the thread, not the spacing between threads.

Thread pitch is the distance along the screw’s axis from one thread crest to the next crest. It tells you how finely or coarsely the threads are spaced. For example, a screw with 20 threads per inch has a pitch of 1/20 inch. Threads per inch describes how many threads fit in one inch and is the reciprocal of pitch for a single‑start thread. Diameter or thread angle describe other aspects of the thread, not the spacing between threads.

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