Thanks Renee! -Fred ------ Original Message ------ Received: Tue, 16 Jun 2026 05:29:01 PM GMT From: Renee K6FSB <[email protected]> To: Jacques Fortin <[email protected]>, 'Fred Moore' <[email protected]>, 'robert meadows' <[email protected]>, 'R390A' <[email protected]>, 'Tisha Hayes' <[email protected]> Subject: Re: [R-390] Weird looking set screws
might i suggest next best thing to Bristol spline would be torx which are not too difficult to obtain and much less chance of cam-out than allen. Renée, K6FSB On 6/16/26 10:13 AM, Jacques Fortin via R-390 wrote: > Hi Fred, > IF EVER you found a valid source for the Bristol ones, let us know ! > Allen head ones are more easy to find... > Use the largest head recess size (3/32"). > But resist the temptation to buy the Stainless Steel ones: these are less > "tough" than the black oxide coated steel ones... > And for the square nuts... I already "made" some from standard 1/4" hex > nuts. > File or grind those on three sides. I prefer brass to the steel ones > however... > > 73, Jacques, VE2JFE in Montreal > > Aha! I'm looking for six to ten of the 4-40 x 1/2 inch Bristol socket head > cap screws for the BFO and BW shaft clamps. One square nut (if available) > would be helpful as well. If not, I'm sure there would be Allen head screws > at my local hardware store. > But What didn't work for the ham I got his from was a mix of slotted and > Phillips screws -- the heads wore out quickly. > -Fred > > ______________________________________________________________ > 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
