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Dorado 02-14-2013 03:54 PM

Any thoughts on a 10 amp mid-handle hammer drill
I only want one drill and it will mostly be used for light rotary-only drilling, but my current project requires a 1" hole through concrete. I went to HD and held some corded pistol grip hammer drills with one hand like I was drilling through a wall while holding something. Very front heavy. I could imaging the bit walking down a sheet of drywall. Then on the internet I found a 10 amp hammer drill with a T-handle, or mid-handle, or whatever they're usually called. If I'm using a 10 amp mid-handle drill with one hand and it gets jammed, will I come out of it OK?

joecaption 02-14-2013 04:27 PM

I believe you mean D handle.
It's a HD drill but would be usless for day to day DIY simple drilling jobs.
To heavy and turns to slow.
To drill a hole that big your going to need a HD hammer drill.
I'd go rent a hammer drill from Home Depot to drill that one hole and go buy another drill more sutable for simple DIY around the house.

Dorado 02-14-2013 04:37 PM

It's a T-handle. It's the DeWalt DWD525K hammer drill. The two speeds are 0-1200 and 0-3500 rpm. I think it's OK for "simple drilling jobs" as long as it won't break my wrist. It wouldn't really be too heavy for me. I almost went with a pistol grip hammer drill for my only drill.

Dorado 02-14-2013 05:30 PM

I found the manual and it says to always use the side handle. All pictures show the side handle being used, even for steel. So I guess one hand operation isn't a good idea for any hammer drill. And if I use two hands the center handle has no benefit over a pistol grip. It's actually worse.

Dorado 02-16-2013 01:10 AM

I wonder how many amps it takes to spin a sawhorse when the bit gets jammed.

toolaholic 02-16-2013 02:18 AM


Originally Posted by Dorado
I wonder how many amps it takes to spin a sawhorse when the bit gets jammed.

Not so much amps but gearing. I sure my 0-550 makita 6302h pistol grip could spin one and it's only 6.5 amps. My 1/2 inch and 3/4 inch spades could probably make it fly! LOL

joecaption 02-16-2013 06:44 AM

Trying to drill a 1" hole with a 1/2 chuck drill, instead of a SDS or Spline drill will be a challange.
Chucks going to slip and keep loosing, may well burn out the drill from over heating since your drill a hole twice the size it's made for.

Dorado 02-16-2013 10:40 AM

I think safely (for the tool) making the hole would require two pilot holes, and the extra pilot bit would cost the same as renting a SDS, but at least I'll get to keep the extra bit.

joecaption 02-16-2013 10:50 AM

Even my Bosch Bull Dog would have trouble making a 1" hole.

Dorado 02-19-2013 12:08 AM

The Bosch HD21-2 can make a 7/8" hole in concrete (not just can but the specs actually say it). One pilot hole and it should work fine for 1". It also has an "Integral Slip Clutch — Helps minimize torque reaction" so I'll feel safer on my ladder and using a sawhorse. I wonder how that compares to Milwaukee's overload protection.

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