Originally Posted by Pook  ....I was told to run somewhere between 7200-9700rpm and 760-980 mm feed rate. I was told not to peck drill with these bits... |
Regardless of the drill bit used the advice to not peck seems a bit strange, and the feed seems a bit vigorous.
I would peck every millimeter or so, drop the feed to around 300 mm/min and run at 9700rpm.