Bill wrote:

This makes me curious as to what it takes to drive an auger bit (the
salesman at Home Depot spoke so highly of them).


By the way, this is the bit I used. Maybe not an auger bit depending on
your definition:

http://www.irwin.com/tools/drill-bit...max-spade-bits

I think I would have had this problem with any bit having screw-threads
on the tip (which make it eager to bite).