In a message dated 9/22/01 12:06:22 PM Eastern Daylight Time, Philcycles@aol.com writes:
> A screwed race is much better. Guides the blade and chases the thread.
> Not to beat a dead horse but I find that two upper races (in steel) do a nicer job of guiding the saw blade, with the lower one doing the thread chasing duty. Followed by the de-burring as described in previous posts.