Drill Doctor
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frisco
Enlightened
Awesome!!!!
I had a whole tray full (maybe 100) of dull bits and sharpened them all in one sitting.
I don't know the model number off hand.... But I got the bigger one to do larger drill bits also.
frisco
I had a whole tray full (maybe 100) of dull bits and sharpened them all in one sitting.
I don't know the model number off hand.... But I got the bigger one to do larger drill bits also.
frisco
DonShock
Flashlight Enthusiast
Yep, Drill Doctor is great. It's one of those rare things that are as easy to use and work just as good as you see in the infomercials. Especially useful if you are going to do much drilling in steel. As soon as your progress starts slowing, pop out the bit, sharpen it up in the DD, and then keep on trucking.
jzmtl
Flashlight Enthusiast
Try hand sharpening first, it's pretty easy to do actually, just take note of the angle.
LukeA
Flashlight Enthusiast
It doesn't work well on TiN-coated bits, does it?
jzmtl
Flashlight Enthusiast
By the time you need to sharpen TiN coated bits there won't be any coating left anyway.
LukeA
Flashlight Enthusiast
That's what I mean. You lose the coating on the bottom face of the cutting edge.
jzmtl
Flashlight Enthusiast
Yes you do, but I don't think whoever invented it intended it to be sharpened. I think TiN coated bits are a big waste of money, either buy HSS or cobalt, which will perform the same no matter how many times you sharpen them.
DieselTech
Enlightened
I tried using a Drill Doctor a couple of times at my last job. It might have just been me, but I never could get that thing to do a decent job. I finally gave up on it and went back to sharpening my bits on the bench grinder. Works much better.
scott.cr
Flashlight Enthusiast
I haven't had much luck with the DD either. In the end, I figured it was due to use of inferior drills, which lose their heat treat easily, and sharpening a dull drill that has no heat treat won't get you far at all.
For the $$$$ they get for a Drill Doctor I'd rather throw dull drills in the trash and buy new replacements. (As a home user, I only go through MAYBE a handful of drills per year.)
I did try a DD on a good-quality drill and it didn't want to grind the steel...
For the $$$$ they get for a Drill Doctor I'd rather throw dull drills in the trash and buy new replacements. (As a home user, I only go through MAYBE a handful of drills per year.)
I did try a DD on a good-quality drill and it didn't want to grind the steel...
jzmtl
Flashlight Enthusiast
Still I think it shouldn't loose heat treatment unless you heat it up too much, are you using proper drilling methods?
DaFABRICATA
Flashlight Enthusiast
I have one, and absolutely love it! Its saved me a lot of time and money. If you have the drill bit set properly, you should get a perfect point when done sharpening. Great investment, and sure beats hand grinding!!!
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