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Explain the difference between a plug tap and a tapered tap. - Leaving Cert Engineering - Question ii - 2021
Question ii
Explain the difference between a plug tap and a tapered tap.
Worked Solution & Example Answer:Explain the difference between a plug tap and a tapered tap. - Leaving Cert Engineering - Question ii - 2021
Step 1
Plug tap:
Answer
A plug tap typically has only a short taper extending across one or two threads. This design makes it particularly suitable for finishing the thread at the bottom of a deep or blind hole. It is deeper in the fluting and allows for better engagement in situations where a full thread isn’t required.
Step 2
Tapered tap:
Answer
In contrast, a tapered tap has a taper over the first 8 to 10 threads. This feature allows the tap to enter the hole gradually and cut to the full thread depth over a longer distance, making it ideal for creating threads in materials where a precise entry point is necessary.