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How much power do I need in a drill to use a hole saw?

B

beer

Lifer
So I'm in the market for a new drill. My cordless 9.8V one sucks.

I need one powerful enough to use a hole saw on sheet metal without a problem.

Is 6 A enough, or do I need 7.8A? The drill will be corded. Cordless drills are stupid IMO.

I'm thinking a Craftsman, judging from what my dad told me....he couldn't answer the hole saw matter tho.
 
I haven't seen any hole saws larger than 3 or 4 inches. So I want to be able to power something like that without any trouble.
 
get a milwaulkee hole shooter drill thing, they're great for work
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They do work well. Hold up well too, very rugged.

For holes of that size you would want a heavy duty one, with a half inch chuck. For holes up to say, an inch and a quarter, most any corded drill should work.
 
Originally posted by: Elemental007
Originally posted by: aircooled
DeWalt 14.4v or higher
Click to expand...

Did you not read my original message?

I said corded.

That implies 120VAC......
Click to expand...

I am buying a Milwaukee 1/2 Hammer Drill today to replace the one that won't come home. Buying from Sears....
 
Originally posted by: Elemental007
So I'm in the market for a new drill. My cordless 9.8V one sucks.

I need one powerful enough to use a hole saw on sheet metal without a problem.

Is 6 A enough, or do I need 7.8A? The drill will be corded. Cordless drills are stupid IMO.

I'm thinking a Craftsman, judging from what my dad told me....he couldn't answer the hole saw matter tho.
Click to expand...

If you think cordless drills are stupid never hire a professional anymore.

My latest cordless is more powerful than my last DeWalt corded 3/8" drill.

Also how big of a hole?
 
Milwaukee makes awesome 495 in./lbs. of torque, 18V cordless drills, but that's really not the right tool for the job for big holes. In sheetmetal it should be fine, though. Ridgid just jumped into the cordless frey. Their tools are made by Ryobi and the drills have a lot of power. If you buy a kit before December 31st, the tool is warranted for life, including the battery!

I'd go with Milwaulkee for the corded 1/2" drill. I bought mine at Sears, and got them to price match an online retailer. They use to have lifetime warranty on their tools, but I guess they dropped it to five years.
 
i've drilled up to 75mm you need a bit of power .i also got a cordless. bosch 3Ah ,15min recharge,drill anything no dragging leads around wouldn't bother with any other cordless power tools though they are some machine ,use a hilti TE5 for timber joists etc
 
Originally posted by: aircooled
DeWalt 14.4v or higher
Click to expand...

we had lots of these around the shop at my work last summer.

Great tools. I mostly used a little 9.8V, but for the big stuff I gotta break out the DeWalt, and very few things on Earth can stop a DeWalt with a Ti bit.
 
Originally posted by: Elemental007
Originally posted by: aircooled
DeWalt 14.4v or higher
Click to expand...

Did you not read my original message?

I said corded.

That implies 120VAC......
Click to expand...

actually, depending on the time of day it would be anywhere from 110-130 VAC. so consider yourself pwned.
 
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