Measure and mark with some calipers and a scribe, drill out the majority of it and finish off with some careful dremel work.
Unless of course you plan on doing a bunch of them. Then subletting the work probably makes more sense.
Measure and mark with some calipers and a scribe, drill out the majority of it and finish off with some careful dremel work.
Unless of course you plan on doing a bunch of them. Then subletting the work probably makes more sense.