The reciprocal of the pitch in inches is the ____.
A) depth of thread
B) included angle
C) number of threads per inch
D) pitch diameter
E) none of the above

Question

Quizplus · Accepted Answer

The reciprocal of the pitch in inches is the number of threads per inch, also known as the thread count or TPI. This is the number of threads that are present on a threaded fastener or in a threaded hole in one inch of length. The depth of thread, included angle, and pitch diameter are all related to the pitch, but they are not the reciprocal of the pitch.

The Reciprocal of the Pitch in Inches Is the ____