Tool For Stamping Holes in Nickle Covers ?

[RedHouse]

A.) Punch round holes one at a time through the cover. You'd lay out the locations of the holes on each cover, and then punch them one at a time. Or:

Option "A" can be done with a jig, lay it out once, then use the jig to hold the cover and align each punched hole, that's the way I did it.
(with an arbor press)