"Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote in message
. 3.70...
fired this volley in
:

And tiny tiny little wheels. Both in diameter and in thickness.

Nah... you can do it on a 'cheap' Darex E-90, with the regular
wheel. But
it's got to be dressed to a sharp edge on the shoulder, and
re-dressed
frequently.

Lloyd

Look into how to grind and hone endmills and reamers.