On Jan 19, 9:48*am, jw wrote:
went to work. *It just wouldn't cut, even in aluminum, and after a few
attempts, I took it out and examined the business end. *The point was
ground "backwards", in that the heel was higher than the cutting edge
(negative lip angle)! *Since then, I check the point of every bit before
I use it. *So far that's the only one I've found. *The steel seems to be
generally high quality, and there rest are all nice & sharp. *

Doug White

I found the same thing once. *Wouldn't drill at all. *I kept checking
to make sure I was turning the right way, and then once I check the
drill bit, I saw the problem. *Reground it to a proper angle and it
worked fine after.

JW

The $35 CDCO drills are drilling as fast and staying sharp on a par
with the Precision Twist Drill Company Crystal Lake IL and Triumph
twist drill also of Crystal Lake IL.

I don't know if the quality I a getting is a temporary fluke or if the
Chinese have figured out how to make drills.