Dang, Bob. Why didn't you make that suggestion 20 years ago... could have saved me grief probably 100s of times over the years.
My preference AN507 screws with large diameter Tinnerman washers.
built a few RVs, rebuilt a few more, hot rodded more, & maintained/updated a big bunch more
Last edited by Ralph Inkster : 03-09-2021 at 12:22 PM.