On Friday 23 September 2016 04:25:41 Gregg Eshelman wrote: > Criterion boring bar with a square shank so it won't twist. > Looked that up, 63$ or a small bar, both 3/8" round shank, or 123$ for their smallest indexable. On SS thats out of my pay grade. I think I'll use one cutting edge of a 4 flute SC mill, tipped a few degrees so just that edge touches. I've bored quite a few holes that way as long as the hole is pre-bored so theres no chance of the back edge coming in contact.
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> ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users