But unlike the relatively straightforward task of sharpening flat blades, sharpening drill bits by hand is a cumbersome and difficult task. Putting a split point on a drill bit is suppose to be even harder and requires a grinding wheel with a sharp, not rounded, edge. For larger drill bits such as 9mm and above use 100 grits to sharpen first then use 180 grits to refine for best result. Like you, I bought the DD750, though mine is the old style bought on combo clearance/after Christmas sale at Sears a few years ago. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.

However, I think that you are correct, that it is easier to just purchase them in the sizes that I blunt. Make your work faster and easier while saving yourself money sharpening your dull and broken drill bits with the Drill Doctor 750X 3/32- to 3/4-Inch Drill Bit Sharpener. When I need to dig for a fresh one, I take an evening when my legs hurt too bad to do anything else, and sit down to bring them all back, points all facing forward again.When you grind a split point on the Drill Doctor, you get sort of a split point, except that there is a 0. Some woodworkers keep their old drill bits for that day somewhere down the road when they’ll have time to sharpen them.

Works well, probably need a new wheel by now as sometimes I have to free hand more relief on larger drills. I have tried it a few times but each attempt was a complete failure and I would have been better off continuing to use the dull bit. Listening to them make excuses, I was getting really mad becasue on the box, on their internet site and in the user's manual it says the tool produces split points. That’s probably true, but I am a mostly self-taught home machinist with no one who can show me how to do it. The grinding process creates grit that can cause the moving parts in contact with each other to wear out more quickly.Note, you do not have to "hog", just hold a firm pressure, listen to the motor, but turn many more times for large bits. They say it is a first class tool, it sharpens drills superbly, and is able to produce quick results.

Larger than that it starts being a bit of a problem requiring exponentially more turns (slower feed) as you go up in size. Yeah, not sure on the little ones being worth sharpening, but I just KNOW I'll break my last one at 8 pm on a Saturday night.A relatively cheap HF drill without the split point or benefit of the 750X cut right into the steel. Sign up to our newsletter to get the latest updates on new products and upcoming sales delivered to your inbox. But as I mentioned earlier, only the 750x and 700 come with an extra chuck that allows them to sharpen drills up to 3/4-inch. When I got mine on clearance, I started seeing some people talking about the new and better design, made me kinda wish I had paid more for the "new and improved", but heck, mine worked well enough for what I had in it.