If you have ever wondered why a drill bit was taking forever to cut through steel or aluminum -- it is usually because the drill bit has been dulled by turning it at too high a speed or without sufficient lubrication.
I bought the Drill Doctor to solve this problem yesterday -- the more expensive model, because that is all Home Depot carries -- and I am glad that I did. If you are wondering what a Drill Doctor is -- no, it isn't a guy with a German accent asking a drill bit on the couch, "Zo, how long have you felt like you are going around in circles?" It is a gadget for sharpening drill bits.
It isn't quite as simple as I had hoped or expected, but it is simple enough. You put the dull drill bit into a chuck, press a button, put the chuck into an alignment guide, then put the assembly into another part where a diamond wheel sharpens it as you turn the chuck. It is a very clever design, although it isn't foolproof. If you don't do it exactly right, you don't get a sharp bit. Most of the bits that I had that needed sharpening improved dramatically, sometimes on the second try. It seems to work better on the larger bits -- but those are the ones that for me typically get dull, because I am usually drilling large holes in metal with them.
This should save me a bit of time on ScopeRoller manufacturing, as well as meaning that I won't have to run out and buy a new drill bit as often.
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