That's what's keeping me on the fence about trying it myself. I want to, I'm just not quite that confident in my abilities.I watched Justins video , looks a little scary doing with a hand drill. Personally I would use a mill. Mag drill ,with some leveling spacers would also work .
Grind the set off the outside of the teeth of the hole saw, and it should be pretty safe to take the lip out of the hole.I watched Justins video , looks a little scary doing with a hand drill. Personally I would use a mill. Mag drill ,with some leveling spacers would also work .