Update for External Pipe Threads Program

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I have updated the External Pipe Threads Program for GrafNCalc83 to include 1/8-27, 1/4-18, and 3/8-18 pipe OD threads. The NPT OD threads GrafNCalc83 program now has 3 menus to better serve your needs as a machinist. Refer to the images below.

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#externalpipethreads
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#pipethreads




External Pipe Threads Page 1

External Pipe Threads Page 2

External Pipe Threads Page 3



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