I have small taps that I cannot identify for size. Can they be identified by measuring the number of threads with a thread pitch gage and measuring the OD with a mike.?
taps
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Be advised that tap major diameters are a trifle larger than the nominal size of the standard thread to achieve male crest/female root thread clearance. Also taps have circular relief so measure at the thread crest only. Smaller taps may have three flutes compounding the problem.
[This message has been edited by Forrest Addy (edited 03-29-2005).]
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