[R-390] Weird looking set screws

[Barry]

Rats.  I just realized those are only 1/4" long so, even if they are Bristol spline drive, they're too short for this use.

Barry - N4BUQ

> Apologies if this has already been mentioned, but these look somewhat promising.
> I have no idea, though, how much they'd cost or even if they're Bristol drive
> but the description sounds like they are.
> 
> https://www.mwcomponents.com/shop/4-40x-250-sh-188-spl
> 
> Barry - N4BUQ
> 
>> I seem to remember speaking with the Bristol folks a year or so ago, and was
>> advised, still available.R
>>    On Tuesday, June 16, 2026 at 05:36:25 PM EDT, Dave Merrill via R-390
>>    <r-390 at mailman.qth.net> wrote:
>> 
>> A couple of years ago I tried to locate any supplier of Bristol screws and
>> was very disappointed to find that they have been out of production for
>> decades and the tooling to make them is also gone.
>> 
>> You can have them made but the upfront costs are sky high and out of reach
>> for hobbists.
>> 
>> --... ...-- Dave N9ZC
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