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Thread: Henderson/Excelsior thread size

  1. #1
    Join Date
    Apr 2013
    Posts
    147

    Default Henderson/Excelsior thread size

    Can anyone tell me the inner thread size for Henderson and Excelsior forks ?? this would be the the thread for the two holes on either side of the fork post that the two plugs screw into. Is the size the sam for all Henderson - k, deluxe and kj ? Same for excelsior ?
    Lastly, is anyone making taps that size ??
    Best
    Dan

  2. #2
    Join Date
    Nov 2009
    Posts
    129

    Default

    Dan,

    Don't have access to those parts at the moment, but I recall from making a set of the plugs that they are 24 threads per inch, like most machined X and Hen parts! I don't know of anyone making a tap for that hole. Try the KJ exchange. And yes, those threaded plugs are the same for teens X through 24 at least and also Chicago Hendersons through Deluxe era at least.

    gene

  3. #3
    Join Date
    Nov 2009
    Posts
    129

    Default

    Dan,

    I measure 7/8 x 24 on my 24 X, which is the same as 15-24 X , 20-21 K model and Deluxe I believe. No idea on KJ, that's new fangeled stuff.

    That's not a common tap but is available, search the net....

    Gene

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