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  • reply from Super John M.B.E.

    I am having trouble with a software problem...
    so I send a note to Dr. John...
    Cutting 1/2-13 threads with Mach....something goes a shiqt...
    asked john and he puts me straight:

    "It's the 1/2" x 13 pitch, it's a bastards size your lot should have stuck to 1/2" x 12 whitworth.
    no ****ing sympathy for you.............

    he's alive and well

    eddie
    please visit my webpage:
    http://motorworks88.webs.com/

  • #2
    I have a whole pile of 1/2-12 UNS taps and dies from the late 1970's. Still use them for my own personal stuff, hats to see tools go to waste.
    CCBW, MAH

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