Mechanical Engineering - Production Engineering - Discussion

Discussion Forum : Production Engineering - Section 3 (Q.No. 25)
25.
A taper tap has
its end tapered for about three or four threads
its end tapered for about eight or ten threads
full threads for the whole of its length
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Vishal said:   8 years ago
Always remember:

Taper tap have 7-10 threads of chamfer.
Plug tap have 3-5 and Bottom tap have 1-1.5 threads of chamfer.
(1)

Sachin said:   1 decade ago
There are 3 Taps , First or Taper tap-which has 8 to 10 champers thread with 5 degree. 2nd tap-has 8 degree, chamfer 5 to 8 thread, and 3rd or bottom tam - has full bottom threaded no chamfer threads, 18 degree used for making threads upto bottom of blind.

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