The L.C. Smith Collectors Association
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    Re: thread sizes for lock Archived Message

    Posted by C Helms on October 21, 2014, 8:21 pm, in reply to "thread sizes for lock"

    I think the front screw in early feather weights was 6/40. Then, later 8/32. I've never been able to figure out the date of change, but believe it was in the late 1910's, early 20's. Just guessing though.

    Message Thread:

    • thread sizes for lock - Dave October 21, 2014, 7:24 pm
      • Re: thread sizes for lock - C Helms October 21, 2014, 8:21 pm