The die nut is used for chasing or reconditioning the damaged threads.
Die nuts are not to be used for cutting new threads. The die nuts are available for different standards and sizes of threads. The die nut is turned with a spanner.
14) Which one of the following is used to rectify damaged or rusted threads ?
Answer is:
Die nut
Explanation:
Related Cutting Tools MCQ - Machinist(Set-1) with Answers
Answer is:
Tap extractor
Explanation:
Tap extractor can be used for removing a broken tap.
Answer is:
Kerosene
Explanation:
For tapping copper or aluminium Kerosene is used as coolant.
Answer is:
Flutes
Explanation:
Flutes are the spiral grooves which run to the length of the drill. The flutes helps to
1. To form the cutting edges
2. To curl the chips and allow these to come out
3. The coolant to flow to the cutting edge.
Answer is:
Drill drift
Explanation:
Drill drift is a wedge shaped tool used for removing the taper shank tools from the nose of the machine spindle.
