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Hammer Drill

IndyGarage

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Apr 29, 2010
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A few weeks ago I had to do about 10 floor anchors into concrete - 3/8 inch diameter about 3 inches deep.

I used my milwaukee 1/2 inch drill with the "buzz hammer" function. It took me a full four hours, wore me out, and wore out 3 carbide bits to get those 10 holes in, and I thought I was going to burn up the drill.

I decided I needed to buy an SDS hammer. I've never used one, but I thought there has got to be a better way. I also need something that can help me get tiles up and chip away some broken bricks in the near future.

So I started looking around - I was honing in on Bosch or Makita tools. One problem is Bosch seems to have a dizzying array of model numbers that don't seem to match sizing in any way to the model. As I was researching, I thought the Bosch 11264 EVS seemed to look pretty good - but it's about $575 new. Plus the SDS max bits are all pretty expensive - I wondered if that isn't overkill for me..

So I happened to be Home Depot today, and I always swing by the tool rental, just to see if they are selling anything. Sure enough, they were replacing all their hammers and breakers with brand new Makitas and clearing out the used Hilti's they had.

So they had a Hilti TE - 7c hammer drill sitting there in the case with a $150 price tag. It even had the owners manual, a tube of grease, a wiping rag and they would throw in an SDS plus bit of my choice. I hadn't considered Hilti, but the guy said they are built like tanks. It's a bit less powerful than the one I was thinking about getting, but I thought I could always start out with it, and sell it to somebody else if it doesn't work out. When I got it home and wiped some of the dust off it, I realized this thing is like brand new - I bet it doesn't have more than a couple hours use.

I bought a couple additional bits for it, and decided to try it out on a hole that I skipped when I was using my Milwaukee - because the whole project was taking forever. All I can say is wow! this Hilti drilled the 3/8 anchor hole in about 15 seconds - where the fastest I got any of them done with my Milwaukee is about 10 minutes. And, the Hilti was much quieter, and didn't vibrate the heck out of my hand. I'm hooked.
 
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Packard V8

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You're ruined now. Having experienced the Hilti is a real deal industrial tool, versus the Milwaukee/Bosch/Makita homeowner/light construction stuff, you won't be satisfied with less than the best.

BTW, you got a heckuva deal for a basically new Hilti for $150. Since I never buy retail tools, I didn't even know Home Depot had a used rental sales area. I'll have to look for it in my local HD.

FWIW, I got a big old Hilti TE20 hammer drill for free because it didn't work. About an hour of fiddling with the trigger switch and it is back in operation. That thing is built not just like a tank, but like a WWII German Tiger tank.

jack vines
 

mooman

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CHICAGO, IL
Makita roto hammers far are from homeowner/light construction quality.
We've used for years blowing thousands of 1/2" holes in concrete each year without them missing a beat.

I thought you were just complaining about trying to get parts for your old Hilti?
 

scott37300

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May 5, 2010
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Wisconsin
Hilti's are great tools. I used to be a union carpenter and we used lots of hilti stuff and it stood up to all kinds of abuse. I have a couple hilti drills for home use now. The only problem with hilti tools for home owners is there are no parts available and you have to go threw a dealer to get anything fixed. Think they do flat rate repairs kind of like snap on.
 

KCarGuy

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Feb 5, 2009
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50 miles outside Chicago, illinois
Hilti Rocks!
I have had mine for at lease 20 years now, and the last time I used it was to drill a series of holes in my Basement floor, to bust it out for a sump pump pit.

at least 75-85 holes, all 1/2", all with the same bit.
Hilti Rocks!
 

Packard V8

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Spokane, WA
Yes, Makita, Bosch, Milwaukee and DeWalt all make real industrial SDS+ hammer drills. Unfortunately, as IndyGarage discovered, they also ***** out their brand by selling homeowner drills with a toy hammer drill function. These just flat don't work. As he discovered, there is a difference.

A Hilti sales rep here used to make sales by going onto construction sites and offering to go head-to-head in time to drill one hole with any other brand of hammer drills on site. If he lost, the company got the new Hilti on the spot for free . If he won, they had to promise to buy the next hammer drill they bought from him. He never, ever lost.

jack vines
 
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MrMark

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Jan 25, 2010
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Southern Cal.
Sounds like the original Milwaukee drill was a battery hammer drill. 3/8 isn't that big a hole and I would have guessed a corded hammer drill (yes, I know they **** compared to an SDS plus) would have been up to that little task.
 
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I

IndyGarage

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Sounds like the original Milwaukee drill was a battery hammer drill. 3/8 isn't that big a hole and I would have guessed a corded hammer drill (yes, I know they **** compared to an SDS plus) would have been up to that little task.

Nope, it was my Milwaukee 5 amp corded hammer drill. I've drilled quite a few holes in concrete with it in the past, and never struggled like I did with these holes. That concrete seemed really hard.

The difference was unbelievable. I had to use earplugs and had to rest my arm several times with the Milwaukee. I said it took four hours to get 10 holes - I bet the actual drilling time was almost two hours. The worst was that it wouldn't go anywhere until I cranked down on it hard.

The Hilti just dropped right into that concrete with barely any pressure at all and much less noise and vibration.

To be completely fair, I was using a brand new Bosch SDS+ bit that I just bought with the Hilti - I think at least one of the bits I used with the Milwaukee was a Bosch, plus one Milwaukee, and one other off-brand, but they were all carbide tipped and I resharpened all three bits twice.
 

blue dog

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Jul 4, 2010
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Culver City Ca.
$150 That was a good deal. I have 3 bosch roto hammers, baby to papa, they have seen there fair share of work and thankfully have never had a single problem with them. The sds bits can get expensive, but if you take care and do not abuse them, they will last and you will get your money out of them.
 

Vinko

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