That's a novel idea Harry. I think you'd need to clear the chips just before the depth stop hit the surface to help insure that there were no chips under the hub of the stop.
One question I have is do those sizes correspond to anything in particular? I know the 35mm is standard euro hinge cup size but I don't know of anything that corresponds to the other sizes.
Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.