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I am missing the proper nut for a Gibson tone arm. Hopefully, someone has a spare. (I would also appreicate a really good photo of one, with some dimensions.)

Maybe you can ask here ...
https://forum.antiquephono.org/topic/11 ... or-type-r/

Hi Jerry,

This question has come up before. I created this dimensioned sketch in this posting.

viewtopic.php?p=310871&hilit=Nut#p310871

Maybe Dave would be willing to make another.

Mark

I totally forgot about this. Jerry Van certainly does not need my help with this as he is the finest machinist I know.
This drawing will allow him to make one himself.
Dave D

Jerry if you decide to make one I have an original you can barrow for a pattern. I can drop it off in Novi Tuesday afternoon for you to pickup. Or you're always welcome to stop in and get it.
Larry C

Wow! Some great replies here! Thanks to EVERYONE who offered help, drawings & even compliments. Thanks also to "Kiwiatlarge" for his PM. What great folks we have here,

Larry,

I'll try making one from Mark's drawing and using the pictures of yours as a reference.

Dave D wrote: Sun Nov 23, 2025 11:43 am I totally forgot about this. Jerry Van certainly does not need my help with this as he is the finest machinist I know.
This drawing will allow him to make one himself.
Dave D

In spite of Dave's high praise, my efforts at making the nut did not turn out as well as his did. It's nice enough, but since I typically make stuff out of random pieces of steel that I "collect", I'm not always sure how well a given piece will machine. In this case, the steel was very tough, and the knurl came out a bit ugly. I'll try again later, when I'm not ticked off about it...

Thanks again everyone for your help!