Drill Bit Sharpeners

Joined
Jan 10, 2006
Messages
574
http://cgi.ebay.com/Bench-Grinder-D...werTools_SM&hash=item2a07c019f2#ht_2203wt_911

I saw this cheap jig at ebay but I do not know if it does the job well or should I get a drill doctor :confused:


04025.jpg
 
Armand save your time/frustration/money
those are made for sharpening drill bit's /end mill's with a surface grinder.
the drill doctor is barely a acceptable way to sharpen drill bit's ..
yes im just stating my Opinion..
if you are serious look for a professional grade drill sharpener they are a little expensive and shipping might hurt alot but that is what a "production"type of shop uses ive seen and used the Darex Super industrial one and all i can say is wow!!
i sharpen all of mine by hand it takes a good amount of practice but it is worth it again my Opinion
 
way easier just to sharpen by hand than the time it takes to set that up, unless you plan on having a bench grinder dedicated to sharping drill bits.

i've used drill doctors before and always had to grind extra clearance below the cutting edge, but it was good in keeping the cutting angles and lengths the same.
 
I've had one for years and they work just fine. You'll have to experiment a little bit but you can get good results. Not so good for small drills (under 3/16ths), but you can replace the square keystock and do longer drills. Just read and pay attention to the instructions.

Howard
 
Armand save your time/frustration/money
those are made for sharpening drill bit's /end mill's with a surface grinder.
the drill doctor is barely a acceptable way to sharpen drill bit's ..
yes im just stating my Opinion..
if you are serious look for a professional grade drill sharpener they are a little expensive and shipping might hurt alot but that is what a "production"type of shop uses ive seen and used the Darex Super industrial one and all i can say is wow!!
i sharpen all of mine by hand it takes a good amount of practice but it is worth it again my Opinion


Thanks Matt, I was googling at practical machinist and I only read negative
reviews on the drill doctor and other cheap sharpeners :thumbdn: I do not wan't to spend alot of money on an industrial machine . Sharpening it by hand will also get good results :thumbup:
 
A carpenter taught me how to sharpen drill bits by hand years ago. It's so easy once you get the knack of it and so quick I can hardly see the point of a machine, unless you have huge quantities to sharpen..
 
Hand sharpening drill bits is good, but a jig helps insure consistent results. You can also train an apprentice faster to use a jig than to freehand.

I used a jig like the one in the picture for years, with practice it worked fine. You do need a "side grinding wheel", Sears used to sell them.

I upgraded to a Drill Doctor, it worked faster and left a slightly better edge on the bits. You do have to respect the fact that Drill Doctors are plastic, and will flex if you press too hard, or don't use consistent pressure when sharpening.

Now we have a Darex M5 in the shop and it works great, but for what it cost I could buy a dozen or more Drill Doctors

If you dull a fair number of drill bits and you can afford a Drill Doctor, buy one. If you only dull a few bits, or you have more time than money, the EBAY jig, which can also be found at most hardware stores for less than $20, is probably a better choice
 
Back
Top