Darex V390 Industrial Drill Bit Sharpener
Darex makes a number of commercial shop drill bit sharpeners and this one is actually their smallest unit. I've included it here, despite the high cost of this unit, mostly because of the high quality. If you do a lot of metalworking or other work where you’re going to need to sharpen a lot of drill bits, this unit is well worth your attention. It will handle drill bits from 1/8 to 3/4 of an inch, providing points from 118 degrees to 140 degrees. They give you two different point styles, the standard conic point or a split point for those that use split point drills.
At 25 pounds, this machine is definitely heavy duty, meaning you’re not going to drag its 4.5 amp motor down when trying to grind larger bits. An optional vacuum system helps eliminate grit so you can keep a clean work area. If you have a professional grade workshop at home, this one might not be out of your reach.