On Wed, 24 Feb 2010 15:38:24 -0600, Louis Ohland wrote:

to the cast iron mill head. Waiting on a 3/4" 2 flute mill to get here.
11/16ths just do not work (18mm dia magnets)

Look into getting a boring head.


I have two boring heads. This is America, if I choose to support the
economy, so be it.


Supporting the economy is laudable, especially if it involves getting more
tools :-)

My point was more along the lines that a boring head will to a better job of
an 18mm clearance hole than either of the end mills.

regards
Mark Rand
RTFM