[Test-Equipment] How to bush a knob for a 1/8" shaft

[PeteM]

need pictures of what you have.   I have a draw of old knobs i can look
thru.

Pete wa2odo

On Sat, Mar 28, 2026, 1:35 PM Dale H. Cook via Test-Equipment <
test-equipment at mailman.qth.net> wrote:

> On 28 Mar 2026 11:59 am, Doug Hensley wrote:
>
> > So, if I could find a way to bush a 1/4" knob bore down to 1/8" and use
> a longer set screw, that's my first idea.
> >
> > Has anyone solved this problem before and have you any suggestions?
>
> Doug -
>
> I have access to a very large, and quite old, hardware store, and I
> would begin there. I have, in the past, been able to find sleeves for
> similar purposes. I have drilled and tapped holes in the sleeves, and
> used very short set screws to attach them to the inner shaft.
>
> If I cannot find something in hardware locally my go-to online is
> McMaster-Carr.
> --
> Dale H. Cook, GR/HP/Tek Collector, Roanoke/Lynchburg, VA
> https://plymouthcolony.net/starcity/radios/
>
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