Drill Doctor
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Senior User
Joined: Jan 2003
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From: North Carolina
Drill Doctor
I'm currently removing my rear quarter panels and am burning up a lot drill bits drilling through these spot welds. Rather than keep buying new ones every 10 spot welds I'm considering buying a Drill Doctor. Has anyone had any success doing this? Any other options? I'm using Dewalt 5/16" drill bits and at the current rate I'll go through about seven per quarter panel. At $7 a piece. I'd appreciate any useful opinion.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
indy,
the drill doctor is a great tool. very well thought out. www.drilldoctor.com they have a new version out. mine is great trouble free and has saved me a ton of cash. it will even resharpen broken bits. unless you are skilled at the bench grinder the drill doctor is the way to go. i learned on a bench grinder but the drill doctor is so much faster,safer and more precise. www.lowes.com www.homedepot.com www.amazon.com/drilldoctor www.acehardware.com . hope that helps you
the drill doctor is a great tool. very well thought out. www.drilldoctor.com they have a new version out. mine is great trouble free and has saved me a ton of cash. it will even resharpen broken bits. unless you are skilled at the bench grinder the drill doctor is the way to go. i learned on a bench grinder but the drill doctor is so much faster,safer and more precise. www.lowes.com www.homedepot.com www.amazon.com/drilldoctor www.acehardware.com . hope that helps you
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
this is the unit i use http://www.amazon.com/gp/product/B00...&s=hi&v=glance . i paid 120.00 a few years ago now they are down to 80.00 for a pro grade drill bit sharpener
Logistics Pro
Joined: Nov 2004
Posts: 4,562
Likes: 2
From: Southern MD
Have you considered a Spot Weld Drill Bit??
Here's one link:
http://www.sjdiscounttools.com/ap1721.html
I googled Spot Weld Drill Bits and came up with a bunch of hits.
These are designed for spot welds, unlike B&D or DeWalt standard bits.
As for Drill Doctor. . . . I bought the 750 a while back. I used it for the first time, today. It worked like a dream on some very old bits of my Dad's. (Both 118° and 135° bits.)
Here's one link:
http://www.sjdiscounttools.com/ap1721.html
I googled Spot Weld Drill Bits and came up with a bunch of hits.
These are designed for spot welds, unlike B&D or DeWalt standard bits.
As for Drill Doctor. . . . I bought the 750 a while back. I used it for the first time, today. It worked like a dream on some very old bits of my Dad's. (Both 118° and 135° bits.)
Fleet Mechanic
Joined: Jul 2005
Posts: 1,463
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From: Staten Island, NY
I've been using my 750 for almost a year and love it. I'm on my second diamond sharpening wheel but I use solid carbide drill bits to deep drill stainless and at 50 bucks a piece it keeps them nice and sharp. Sure beats spending a bunch of time with a grinder and a diamond hone.
Elder User
Joined: Jul 2003
Posts: 544
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From: Cupertino, CA
As someone already pointed out, DD has a new product line as of this summer. It's easier to use and gives you more options for bit angle, etc. I did a review of it in a recent tech article. It's not yet published, but here's my private copy:
http://home.pacbell.net/mzimmers/tools/
There are some other cool tools listed there, too.
If you're doing enough drilling that you're facing the prospect of regularly replacing bits, the DD is definitely a preferred alternative.
http://home.pacbell.net/mzimmers/tools/
There are some other cool tools listed there, too.
If you're doing enough drilling that you're facing the prospect of regularly replacing bits, the DD is definitely a preferred alternative.
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Senior User
Joined: Mar 2005
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From: savanna il
if you use drill bits often it takes very little time for the drill doctor to pay for itself well worth buying, once you have one you will wonder how you even managed without it
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Senior User
Joined: Jan 2003
Posts: 229
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From: North Carolina
Thanks for the responses guys, especially that link. I'm ordering one tomorrow! I've got six drill bits that need to be resharpened so that's already $42 less in drill bits that I'll have to buy. Thanks again!
"Mifflin Clay"
Joined: Jul 2005
Posts: 3,177
Likes: 4
From: Mifflin, PA
Originally Posted by Indybroncoman
I'm currently removing my rear quarter panels and am burning up a lot drill bits drilling through these spot welds. Rather than keep buying new ones every 10 spot welds I'm considering buying a Drill Doctor. Has anyone had any success doing this? Any other options? I'm using Dewalt 5/16" drill bits and at the current rate I'll go through about seven per quarter panel. At $7 a piece. I'd appreciate any useful opinion.
http://www.mcmaster.com/
And with occasional sharpening they should be good for 100- 200 "spots".
Sharpening a 5/16 drill on a bench grinder shouldn't take more than 30 seconds each ..... JMHO
Elder User
Joined: Jul 2003
Posts: 544
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From: Cupertino, CA
Originally Posted by alchymist
Sharpening a 5/16 drill on a bench grinder shouldn't take more than 30 seconds each ..... JMHO
Elder User
Joined: Feb 2003
Posts: 525
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From: New Braunfels TX
I just stopped by the ACE in town and they had the DD500 with case for $79. with a $10 rebate. Had to come home and check on line before I bought it. They had a half dozen or so. Gonna go back in the morning and pick one up. Get myself an early Xmas present.
Senior User
Joined: Mar 2005
Posts: 124
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From: Summit, MS
We have had a DD 750 here at the shop for about 10 years now. The original had some wear on the cam surfaces and when I called about having it repaired, they just sent a brand new machine with case and video- at no cost! I can sharpen bits myself w/o it but my shop guys can use the DD and I don't have to go behind them. It does good on carbide as well. BTW, if those spot welds are hard (as they can be) you might want to use a cobalt or other hard bit to give you a few more welds per bit. Also, grind the angle on the bit at 135 deg. instead of 118 and it will last longer in most cases. good luck.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
drill doctor is a unique company. i asked the lady on the helpline how long the carbide wheel should last. she said about 200 bit sharpenings. i said ok i guess i am past that point, where can i buy a new one? she said i will send one out today for you at no charge. i got it next day.
Junior User
Joined: Nov 2004
Posts: 68
Likes: 0
The Drill Dr or similar tool is a good idea.
Here in the machine shop biz, I resharpen drills constantly, it's just too expensive to heave them when they get dull.
For home shop use the Drill Dr is a great buy and money well spent.
Here in the machine shop biz, I resharpen drills constantly, it's just too expensive to heave them when they get dull.
For home shop use the Drill Dr is a great buy and money well spent.
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