The top of external and the bottom of internal threads is the ____.
A) pitch
B) root
C) crest
D) fit
E) none of the above

Name: The top of external and the bottom of internal threads is the ____. A) pitch B) root C) crest D) fit E) none of the above
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The crest refers to the top of the thread, while the root refers to the bottom of the thread. Therefore, the top of external threads and the bottom of internal threads would both be considered the crest.

The Top of External and the Bottom of Internal Threads