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 > <[email protected]> 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 > ______________________________________________________________ > R-390 mailing list > Home: http://mailman.qth.net/mailman/listinfo/r-390 > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ > R-390 mailing list > Home: http://mailman.qth.net/mailman/listinfo/r-390 > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ R-390 mailing list Home: http://mailman.qth.net/mailman/listinfo/r-390 Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
