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Drill Doctor

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Don LC

01-12-2003 10:35:53




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I looked through my latest HARBBOR FREIGHT cat.....they offered free shipping.....I would like to have a Drill Dr. bit sharpner....not listed...I even looked in the last 2 cat....not listed..... looked on web...not listed...I know they had them..I put off spending that much money.....any body got a used one




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beginner

01-14-2003 00:26:55




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 Re: Drill Doctor in reply to Don LC, 01-12-2003 10:35:53  
Hi. I am currently going to my local vo-tech school to be a diesel mechanic. The instructor had taught us how to sharpen drill bits before we did anything. We all did it correctly the first time. To show us how to sharpen them, we had to grind the point flat, until the bit cound stand on it's end. By the way, he showed us the exact angles in the book, but it is something you do by eyeing it, not memorizing angles. Then we had to put the initial angle on it. We were using a bench grinder, We just held it at a kind of shallow angle. Then to get the bit to cut, he showed us that you grind off the back side of the cutting edge. You NEVER touch the cutting edge. What you want is for it to have an angle sloping down away from the cutting edge, so the first part of the bit to touch what ever you are drilling is the cutting egde. If you look closely, a dull bit will have a really shallow angle going down on the back side of the cutting edge. All you do is grind that slope so it is a steeper angle. That's it. Takes about 1 minute per bit. But when it comes to small bits, it is just to hard to sharpen them. Also, when drilling through metal with a sharp bit, you get one long cork-screw type strip. A dull bit would leave metal grindings. To test our bit's we had to drill through 1/2 inch steel plates with a very large drill press. I had gotten one of those cork-screw type strips that was over a foot long, that's how I knew I did it right. If anyone has any questions regarding bit sharpening, reply to this and I will answer them imediately.

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PD

01-13-2003 08:25:36




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 Re: Drill Doctor in reply to Don LC, 01-12-2003 10:35:53  
Home Depot has Drill Doctors for $68.00. That's too much? You want a USED one? Get real, man!!! Regards..... ..P



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Don LC

01-13-2003 09:15:31




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 Re: Re: Drill Doctor in reply to PD, 01-13-2003 08:25:36  
You get real ----if I could not find a new one I would buy used!!!why does thay bother you? The $68 one is not good quality ....The one I want lists at $140



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cannonball

01-13-2003 07:29:10




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 Re: Drill Doctor in reply to Don LC, 01-12-2003 10:35:53  
try tyler tool...had best price on 750 before christmas had free shipping and free left hand chuck



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Pappy

01-12-2003 22:20:49




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 Re: Drill Doctor in reply to Don LC, 01-12-2003 10:35:53  
You can find Drill Doctors at Lowes, Home Depot, Sears, and Ace Hardware. I just bought the model 500 from Ace. They had the best price.



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MPK

01-12-2003 20:12:16




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 Re: Drill Doctor in reply to Don LC, 01-12-2003 10:35:53  
HOME Depot has them in Mn. Have seen them sometimes in Menards.



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F14

01-12-2003 10:54:21




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 Re: Drill Doctor in reply to Don LC, 01-12-2003 10:35:53  
Check Amazon.com. I ordered my new one from them, best price, free shipping.



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jake

01-12-2003 22:37:29




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 Re: Re: Drill Doctor in reply to F14, 01-12-2003 10:54:21  
F14 is correct, the free shipping and no tax plus the carrying case makes the best deal. Find the item using the google.com search engine, type "drill doctor" and the amazon site will be on the first page, no searching. With the 750 you won't be sorry.



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Don LC

01-13-2003 10:15:04




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 Re: Re: Re: Drill Doctor in reply to jake, 01-12-2003 22:37:29  
Jake, thanks a lot for your help in finding a drill doctor for me at a good price and shipping, also a storage case....I ordered the 750 and 1 ertra grinding wheel..... Don



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Tom

01-12-2003 14:18:17




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 Re: Re: Drill Doctor in reply to F14, 01-12-2003 10:54:21  
Learn to sharpen drills free hand with a belt sander or grinder. Look at a new drill and get the angles from it. Buy a drill point gage and check to see that both sides are the same angle and length. Then impress your friends.



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F14

01-12-2003 14:49:56




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 Re: Re: Re: Drill Doctor in reply to Tom, 01-12-2003 14:18:17  
I've always been impressed by folks who could do that. I've ruined a BUNCH of drills trying. I have a machinist friend (works full time in a machine shop) who can't do it either, so I feel a little better.

I'll stick with my Drill Doctor. It's idiot-proof, and I'm the idiot who proved it...



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Mike (Oh)

01-12-2003 16:55:50




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 Re: Re: Re: Re: Drill Doctor in reply to F14, 01-12-2003 14:49:56  
I am with you. Had a setup that bolts next to a grinding wheel that did pretty well but still took time to do. Could never get them exactly correct freehand. Bought the Drill Doctor for my brother for his birthday and was so impressed I had to get one. Simple,fast,no burning and correct every time in seconds.



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