oldcar Posted February 22, 2012 Share Posted February 22, 2012 HelloI am looking for either the nut that secures the steering wheel to the top of the column for my 1923 Single Six or details of the thread, tpi etc. This is an unusual ultra fine thread. can anyone help please.oldcar. Link to comment Share on other sites More sharing options...
Johan Boltendal Posted February 22, 2012 Share Posted February 22, 2012 you did think of the UNEF thread system, it's the only one I can think off. Johan Link to comment Share on other sites More sharing options...
tfee Posted February 22, 2012 Share Posted February 22, 2012 It should be pretty easy to measure the threads with a caliper or micrometer and if you don't have a thread gauge you can use other known screws to figure out the pitch of the threads. You can then take those measurements to a machinist to have a new one made.........or you could try and find a used one. I'm thinking there aren't too many of these laying around though. Link to comment Share on other sites More sharing options...
Restorer32 Posted February 22, 2012 Share Posted February 22, 2012 It is likely 24 threads/inch. Link to comment Share on other sites More sharing options...
oldcar Posted February 22, 2012 Author Share Posted February 22, 2012 HiThanks for all your input. The annoying part is that I did have a castle nut that would screw straight on. Now I cannot find where I put it so it would not get lost.Bernie J. Link to comment Share on other sites More sharing options...
oldcar Posted February 23, 2012 Author Share Posted February 23, 2012 My good friend David McC has found a likely nut for me. Thank you David.oldcar Link to comment Share on other sites More sharing options...
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