Peter Duniho wrote:
wrote in message ...

[...] Valve grinding
compound comes in a tube at auto parts stores, and has a fairly coarse
grit
in it. It gives your screwdriver tip much better traction in a screwhead


I'm sure you'll get replies saying (in effect) "you didn't know that?" But
thanks for posting the tip anyway. Lots of the rest of us didn't know it
either.


The Phillips ACR bit sold by Snap-On has serrations which reduce "cam-out".

--
John Kimmel

remove x

"He's dead, Jim."