Update boring bar

boring mod 1

Got a 1″ dia boring bar that has been treated poorly.

boring mod 2

I decided to make it slightly better.  Already had the chuck on the 4th axis of the G0704 so I chucked up the head portion and wrote a quick program to put some flats on for tightening.

boring mod3

Now I can tighten the cutting tool up with a standard wrench.