Question 226General Subjects - QMED

70% to pass

With respect to machine shop "taps and dies"; a plug tap is correctly used for _______________.

Areversing the threads in a hole
Bthe second cut when threading a blind hole
Cchasing the threads on a circular rod
Dstarting the threads on a circular rod
AI Explanation

The correct answer is B) the second cut when threading a blind hole. A plug tap is used to cut the second, deeper pass of threads in a blind hole. The first pass is typically done with a taper tap, which creates the initial threads and allows the plug tap to finish the hole. Plug taps are not used for reversing threads, chasing threads on a circular rod, or starting threads on a circular rod, which is the purpose of the other answer choices.

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