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Quality drill bits????

Those drill doctors always seemed like a toy to me but hey if they work (or can get them to work to suit) they might be worth the money. Thought I remember seeing a 3/4" capacity version, dunno if it's still available. Would like to try one before I buy..

Right now I use Greenfield Chicago Latrobe split jobbers in titanium nitride coating. This set has been good. Bout a 10 year old set. Fractional 1/16-1/2. I buy the bigger stuff 'as needed'.
 
Yeah, there is 2 drill dr sizes.
Just shop around where you buy it that will allow return if you dont like it. Like we have learned an many things before, quality sometimes improves and sometimes worsens. Could be drill dr like my truck ramps- i got lucky and got them during the “good” time of manufacturing.
 
I used to be pretty good at sharpening bits on a bench grinder. Now-a-days I suck.

I bought a drill doc and suck at that also. I have about 3 quart cans of dull drill bits.

I have had good luck with the gold bits from Fastenal. And I think the other brand I used was Norse.

For stainless I always trigger the drill. It keeps the bit from heating up. You just apply pressure and trigger the drill on and off

As soon as you spin a bit in stainless it is smoked. In softer steels you have to be careful of to much pressure. It'll grab and break the bit

I've always used Anchor Lube for stainless.

I had decent luck with used anti-freeze/coolant. You about need a bath to use that stuff. Almost has to be a constant flow
 
3500GMC said:
Those drill doctors always seemed like a toy to me but hey if they work (or can get them to work to suit) they might be worth the money. Thought I remember seeing a 3/4" capacity version, dunno if it's still available. Would like to try one before I buy..

Right now I use Greenfield Chicago Latrobe split jobbers in titanium nitride coating. This set has been good. Bout a 10 year old set. Fractional 1/16-1/2. I buy the bigger stuff 'as needed'.
Click to expand...
There is another adapter to fit the big bits into, works the same as the one that comes with the drill doctor.
 
79jasper said:
There's other jigs/guides for sharpening on a bench grinder, anyone tried one of those?

Sent from my SM-G892A using Tapatalk
Click to expand...

We had some around the shop about 40 years ago. Back then I could see and my hands didn't shake. LOL

The grinder jigs seemed like more trouble than they were worth. Back then we could all sharpen pretty good free handing.
 
jrsavoie said:
We had some around the shop about 40 years ago. Back then I could see and my hands didn't shake. LOL

The grinder jigs seemed like more trouble than they were worth. Back then we could all sharpen pretty good free handing.
Click to expand...
Free hand is still what I do, the Drill Doctor was used once on my small bits. I had to sharpen them all again by hand. I just use stronger cheater glasses.
 
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