The 750X has the durability and the flexibility. Then again, how old is your DDr? I have a beat up old WorkMate that is at least 20 years old, and despite it needs a bit of de-rust and some refurb paint job, it is quality way better than the new bits of pressed tin can that pass for "WorkMate" in the DIY store. The Drill Doctor 750X model is designed for the tradesman requiring a versatile sharpener for every day use. I would not argue with a trusty little tool that has given great results over 25 years for. with the scored grind wheel, you might want to give some of these a try. that unless you are totally wedded to the Drill Dr. I get it that you want to use Drill Dr, but if you go there -> sharpen drill, you will find so many tricks and jigs, and little guides that you can make up from plywood, etc. > Using Drill Doctor To Sharpen A Drill Bit > How to Sharpen a Drill Bit Quickly and Easily I am impressed with the other ways it is done in the links, and I am going to try these. Both are still cutting just fine, even though the sharpening is so casual and non-standard. ![]() ![]() Both drills have been taking abusively harsh drilling into RSJ girders, and some electrical tray through a whole afternoon. The left one has a not-so-good "curved" cutting edge. Of the two bits in the picture, the one to the right is done rather better. Any hesitation leaves an extra flat facet. Once I start, I complete the "sweep" in one move. I start at the cutting edge, and then do a "sweep", partly rotating, and partly dropping the end of the drill to "back off" the face behind the edge, a' la "conical", though it is not really a true cone. DESCO DRILL excels by its excellent cleaning power, a pleasant odour and very. I have been sharpening these drill bits by hand, in a hurry, not very carefully, on a grinder with some sideways wheel vibration, and "could do better". DESCO DRILLhas an excellent bactericidal activity with optimal immediate efficacy. ![]() Stick a couple of hex nuts together with superglue if you need a quick 'n dirty gauge. The angle is supposed to be 59°, but can be 60° at a pinch. There needs to be the little straight bit that goes across the point, between the cutting edges. The face should be smooth, with no bumps. There is also the "two-facet" style where each flute gets a straight flat cutting edge, and then a separate facet further back, to cut back the rest of the drill bit at an angle, so that that part does not rub over the steel the front edge just cut. MISUMI has more than 9 millions products of Cutting Tools. There are various styles of sharpening drills, and drill jig aid sharpening machines that require any sort of rotation movement with tilt use the smooth face style (conical sharpening). DR Twist Drill, Throwaway Drill, DR Series (low resistance type) 45 mm60 mm from ISCAR. I just knew was going to say what he did.
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