How to find the pitch scale reading formula of a screw gauge?
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AN English gage would be expressed as 1/4–20, with the major diameter being 1/4”. The pitch of 20 means 20 threads per inch, or 1/20 = .05” distance between each individual thread. A thread gauge, also known as a screw pitch gauge or pitch gauge, is used to measure the pitch or lead of a screw thread.
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Answer:
total reading in screw gauge equal to pitch scale reading + head scale reading (+ or -)zero correction
Explanation:
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