Thread: Pinning question

The holes are used to keep the the peen pretty after the initial setting of both peens....

This was what was done before the polishing method gained such prominence seems that most everyone just sets them now and polishes them after...

If you are going to actually try and get that look without the polishing, then at the very end of the peening process, the peened pin must set in the divot while you lightly tap the other side...And yes the washer rests on the lip of the divot