"Phil Kangas" wrote:

Yes it is 1:1 ratio. The pockets were first roughed out with
a
5/8 end mill and finished with a 3/4 end mill that was
broken.
The stub was ground to use only one flute with a rounded
corner to match the radius of the link wire. Hair brained
I know but it worked nice! phil

I'd never try to get two, three or four flutes the same free handing. One sounds good to
me. Just takes a bit longer and you are retired.

Wes