How easy is it to use the Darex XT-3000 Drill Grinder? Watch Richard Evans from 1st MTA show Rowan from MTDCNC just how easy it is. The Darex XT-3000 Drill Grinder & Sharpener is a desk top workhorse machine that can sharpen drills to aerospace standards & can be expanded to meet a variety of sharpening needs including high speed & carbide drills from 3mm-30mm. If you want the right point & angle for the job, but don’t want to become a tool & cutter grinding expert, the Darex XT-3000 is for you.