What Ned said. 60 degrees is best for running centers.

Bob Swinney
"Ned Simmons" wrote in message
...
In article ,
what says...
I'd like to replace a burned up countersink. What angle is most useful
for general work? 6-flute cobalt sound good?



82 degrees for UN flat heads, 90 degrees for metric. I prefer the Ford
type single flute c'sinks for general use.

http://www.maford.com/taf/catalog.taf?category=a11

Ned Simmons