Re: Adjustable Die For Crank Threads

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November 21, 2016 at 4:29 am #47760
amuller
Participant

    There are two-piece dies that can operate as you suggest, if you can get them below the buggered up part.

    https://www.motionindustries.com/produc … u=03093007

    And there are these, which I have not used but look well worked out: https://www.jmeinnovations.com/

    If things are not too bad, it is possible to split a grade 8 nut, clamp it on with vise-grips, and work it up with the aid of something like moly grease.

    Yr idea is sound–anything to avoid starting new threads from the top that don’t line up with the existing helix.