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Anyone have a online source for some good carbide saw tooth hole coring bits for say 1-1/8" x 2.5" or 3" length? My local suppliers are a pain to deal with, they don't seem to know their left from right hand

You have enemies? Good. That means you've stood up for something, sometime in your life. - Winston Churchill

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Carbide hole saws are generally used in Stainless Steel or Ceramic tile, so I would think that they'd be available at Home Depot or Lowes, but if not, a plumbing supply house should have what you're looking for. I have no on-line references for you, though. Sorry.

If you're just looking for a good, general purpose, deep hole saw, I used to use Milwaukee, but have switched to Rigid. They seem to last longer, and when cutting through thick iron, including I-beams, the job isn't as difficult as with other brands. They clean out a lot easier also.

Edited by joemomma

joemomma

I do it in the transformer box.

1946-2008

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My bad, this is a coring bit to go thru stucco.

Here's an example of what I'm jiving about

post-3-1180058939.jpg

You have enemies? Good. That means you've stood up for something, sometime in your life. - Winston Churchill

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My bad, this is a coring bit to go thru stucco.

Here's an example of what I'm jiving about

That's what I was talking about. By stucco I imagine you mean EIFS. It usually has styrofoam behind it and either plywood or some kind of drywall. The EIFS will eat up even a carbide bit or hole saw. We use paddle bits (speed-bore bits) for that for a couple reasons. They're cheaper. And, before you start your drill, you can push the bit past the EIFS so the cutting edge of the bit is not contacting the EIFS. It's a little messier than a hole saw, but much quicker.

joemomma

I do it in the transformer box.

1946-2008

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We also had no luck finding them in our area.We order them from Starrett Co. out of Athol,Massachusetts (978)249-3551 & they are shipped thru J.W.Donchin Co. out of Chicago IL. (773)261-2865.They usually ship UPS or FedEX & have been a reliable source for us.We mainly use them for drilling through tile mostly in mall letter installs.The 1" we buy is part #D0100 HO/S,1" Diamond.Havent had to purchased any in a couple of years.Hope the phone # is still a valid one.

DT--

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By stucco I imagine you mean EIFS.

I grew up in the sign trade knowing EIFS (pronounced eefis) as Dryvit.

In case some were wondering Dryvit was the first manufacturer in the states. So they got the default name for a couple of decades. Now this system is called Externally Insulated Finishing System or EIFS.

We are having big problems with this stuff down here. We get 2 1/2" to up to 8" of this shit on the exterior of walls that are up to 36" of solid concrete.

Bullshit...

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Double Post...

I use either the paddle bit pushed through the outer layer or more often I'll use an older bit in my Hilti TE 25. I then switch to the appropriate drill for the underlying substrate.

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This bit is mostly used for the plain ol stucco over plywood. Don't think I've run into much of that Dryvit stuff. But thses coring bits go thru stucco like a hot knife thru butter. I use to always use those carbide grit bits, but those don't last too long.

Thx for the phone number and ebay link!

You have enemies? Good. That means you've stood up for something, sometime in your life. - Winston Churchill

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  • 9 months later...
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those hole saws are made by relton you need the hard plastic/ stucco. they are not cheap. you can get them from mytoolstore.com

great forum by the way

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those hole saws are made by relton you need the hard plastic/ stucco. they are not cheap. you can get them from mytoolstore.com

great forum by the way

Enrique, you are THE MAN!!!!! Believe it or not I'm still looking for this bit. I still have the same bit with 3 teeth left :P

Welcome to the board! :Welcome2:

You have enemies? Good. That means you've stood up for something, sometime in your life. - Winston Churchill

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