Quoted from Kerry_Richard:Very good points! I just redid my Taxi (decals, then 4 coats of auto-clear), only to have small doughnut sized rings around 2 of the head bolts. I even backed the pressure off those 2 bolts, but donuts would lie down (finger massage them down) and always come back
I recently bought a brand new cab with MM Rad Cals already installed on it. I noticed the donut raised areas around the hinge bolt holes in the bottom cab and thought it would be a big problem when I drilled the holes for the playfield support brackets (for some reason whoever did the cab didn't drill those). To my pleasant surprise though those four don't have any doughnut rings around them at all. I drilled from the inside out using sharp bits and a pilot hole but they look great even when looking straight down the side of cabinet. I did take care not to over-tighten them but since it's the playfield pivot and support I did make sure they were pretty tight. These decals are really beautiful and pleasant to the touch, if I ever do another cab I'd almost certainly use them again if available.
