Screw Standards

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  • #47999
    jdross99
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    • Topics Started: 4
    • Total Posts: 6

    Do European and American pocket watches use different screw standards? How to check, use a screw plate?

    #50384
    Bob Tascione
    Moderator
    • Topics Started: 38
    • Total Posts: 1553

    Hi Jdross99,

    Yes they do differ in many cases.
    I use screw plates to determine thead sizes.
    I also use a comparison list that Ian Wright compiled that is available on his website as a pdf download. Also when you get there check out the watch he made if you haven’t already.
    His URL is:
    http://www.watchman63.co.uk/thread.html

    Have fun and Happy Thanksgiving!

    Bob

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jdross99Screw Standards