"John Martin" wrote in message
oups.com...

Mark and Kim Smith wrote:
Norman D. Crow wrote:

snip

Or a stop collar for a 1/4" drill bit, or any other 1/4" shaft
requiring a stop or lock.


snip


What's the key slot for?

Not a key slot, but to allow the collar to collapse easier.

John Martin

Thank you John.

--
Nahmie
Stupidity is not considered a handicap, park elsewhere.