"Dave Baker" wrote in message
...

have needed to become perfectly serviceable. The leading edge can be
resharpened as often as you like without altering the size.

This displays quite vividy what you know / as opposed to what you *claim* to
know about tools and the metal working trade over all........

Any chucking reamer has an inherent back taper designed and ground about the
diameter....generally its ~.002 / inch--and as such, they certainly *do*
lose a bit of diameter *each and every* time that you re-sharpen them.

--

SVL