We thought that doing a small bit would not be to trying on the machine and we really needed to give it a good workout so we started off with a pretty wicked looking 3/8" bit. We decided to really work this unit by sharpening a large bit. Not difficult to do, but it does need to be aligned as your instructions indicate. Depending on the size of the bit you select either to larger or the smaller jig. The Drill Doctor we tried out comes with a couple of special "jigs" that you must first load your dull drill bit into. It was nice to see that it all went back fairly easily into the case when we were done too - something a lot of OTHER VENDERS could learn from -hint, hint. The Drill Doctor - "The Drill Bit Sharpener" unit comes in a nice blue plastic container, well laid out and with instructions and a video that were easy to follow but not extensive (which is what we hoped for). And so what happens, the edge is now gone on your drill bit, what to do now.Įnter the Drill Doctor. It's hot enough to leave third degree burns. If you don't believe me, imagine! making about 20 deep holes into some 2" oak then try touch your drill bit with your bare fingers. but the very tips of the edges can get hot enough to begin to melt which means that the steel fatigues and the edge is then lost.
Know I know your drill bits don't "melt". The reason drill bits get dull is because most of them are just steel and when steel gets hot it melts. Drill bits can dull very easily drilling into nothing but wood. click below to read HOW drill bits get dull and what to do about it.įirst of all, drill bits don't necessarily get dull because you are drilling into hard steel or rock or concrete. The only bits I use are the good bits and although they stay sharp longer, they still get dull. I have inexpensive bits and I have good drill bits and believe me, there is a big difference, but I will go into that in another article. As a strong advocate of sharp tools I never really seem to know when my drill bits are getting dull except when I'm in the middle of a job and need a sharp bit the most. We have seen these handy drill sharpening devices advertised in magazines for a few years now and have always wondered how well they work.
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