Sorry for all the confusion and delay. Been out all day.
What I'm doing is remaking some blocks /tools etc. if you will, to enable the seating of Rivets in the Front and rear trunions in some AK rebuilds.
Wasn't happy with the Rivet appearance, so redoing and decided to invest in some Carbide Ball End Mills to enable finishing the "Tooling" to provide a nicer looking Rivet.