General Studies · Machining and Machine Tools
After threading a hole with a tap, it was found that the crest of the thread was not fully formed. Which of the following reasons would cause this defect?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Hole size slightly more than the tap drill size✓
- 2Hole size slightly less than the tap drill size
- 3Broken tip of cutting edge
- 4Insufficient coolant supply
Correct answer
Hole size slightly more than the tap drill size
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