UPDATE: After prolonged use I've noticed that the difference in diameter on medium (out of 3) carbide surfaces is plus 0.003 inch or so. Whatever I do, I end up with a channel or step on all vertical surfaces on all passes. Such a pain to deal with. Side milling vibration is still a big problem, but face milling is terrible, steel shaft bending is too severe. garbage now. I'm tired of hiding behind something in the store in case this cutter explodes. Still true: It doesn't show up in theβ¦