"Pete C." wrote in message
. com...

If you don't have CNC capability, I think you're on the right track. I
would mark the full dia and rough it out with the large end mill (not
just the center) so that you minimize the passes with the boring head to
final dia. With a CNC the circular interpolation would to it all in one
setup with no fuss.
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Yep, this is one of the few times I really crave CNC on my BP! If I could
only justify it....