On Saturday 12 May 2018 14:05:22 andy pugh wrote: > On 12 May 2018 at 18:59, James Isaac <[email protected]> wrote: > > Putting in Broach to Google led me to "d shaped broach", > > > > and the sixth link was a > > www.practcalmachininst.com<http://www.practcalmachininst.com> > > reference to a 2005 question. > > I think it is non-trivial to keep a D-shaped broach perfectly on > centre.
I am with you on that thought Andy, having tried way too many times to drill 2 adjacent, almost touching holes. It doesn't work, even with 20 thou between the hole walls. -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
