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Bosch 11255VSR BULLDOG Xtreme 1-Inch SDS-plus D-Handle Rotary Hammer | List Price: $445.00
Discount Price: $179.99
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Brand: Bosch
Binding: Tools & Hardware
Features: - 7.2 Amps
- 2.2 ft. lbs of Impact Energy
- Length: 17.25"
- 0 - 5,800 No Load BPM
- 0 - 1,300 No Load RPM
Excellent - Features That Work. [Posted on 2008-05-12]
There are several reasons why this drill is better than other hammer drills I have (Craftsman and DeWalt). The way Bosch designed this drill let a lone the power it has, makes it stand alone. I'm not going to dwell on the power ( even though I was able to completely chip away a shower mortar bed in less than 10 minutes), what made the difference is the design. First let me say that quick change SDS chuck and bits make this worth while. If you have done a lot of drilling you know how frustrating it is when you have to continually stop and re-tighten bits that have come loose from binding in the concrete. SDS eliminates this, along with the ease of the quick bit change also prevents the need to keep looking for a chuck key. Not once did I have the bit loose up.
Bosch also made it easy with how they implemented the auxiliary handle and depth guide. Other manufactures make you completely remove parts in order to change the handle position or change the depth guide. Another excellent feature is the Vario-Lock which will allow you to change the orientation of the chipping bit without having to hold the drill or yourself in awkward situations that might even be dangerous.
The clutching mechanism actually works very well. The times when I did bind the bit (which was rare with the drill power) I had little torque transfer before the clutch caught. Which is comforting from a safety aspect.
For the power, the drill is comfortable with a decent length cord. I haven't been using this drill long, so I can't speak to the reliability. Regardless the design and power has me sold and I've been using DeWalt for years.
Also one thing that is a pet peeve of mine (although minor) is the way manufacturers position the outlet of the power cord. Most make the power cord come out directly behind it, making it difficult to put in the case and in some cases having to severely bend the cable which can cause damage over time - this Bosch drill doesn't have this problem.
Keep in mind this drill only works with SDS bits, although Bosch sells a separate chuck that will allow for normal bits.
Excellent [Posted on 2008-05-19]
The Bosch 1" SDS is a excellent tool. I would advise anyone looking for a tool of this type to try it, you will be pleased!
Travis Tikka
Kila, Montana
Don Wendorf [Posted on 2008-05-31]
Very nice piece of equipment. Holding up real well. Drilled 36,3/4" holes, 6" deep in concrete over about 4 hours and never missed a beat! Should be a very long term tool in my toolbox. HIGH RECOMMENDATIONS!!
Lots of Holes Without Beating You Up [Posted on 2008-06-19]
We found we had termites and the applicator told me I could save $$ by drilling 1/2" holes at 12" intervals in the concrete of the porches, patio and sidewalks that surround my house instead of paying him to do it. The cost of the drill and three bits was a little less than half of what I am saving, and I'll end up with a good hammer drill when I am done.
I've drilled holes in 299 locations so far and have a few more to drill once I move a couple of heavy items. The concrete has been 5-8" in depth on average and a few holes didn't break through even when the 12" long bit was completely buried in the concrete.
The drill makes holes quickly and smoothly. It doesn't beat you up, and the drilling speed is about the same (quick) whether you use very light pressure or really put your weight on it, so take it easy and let the drill do all the work. I did quench the bit in water between holes since I was using the drill continuously for a couple of hours at a time. I never felt the drill was getting too hot, but the bit sure sizzled when it got into the water.
The first 1/2"X12" bit lasted for a little over 160 holes, and I expect to finish the job while still on the second bit. I'm looking forward to getting a couple of chisel bits and using them to break out a bathroom floor I need to get to and have been putting off.
Great tool; I'm glad I had an excuse to buy it.
drilling granite [Posted on 2008-07-10]
This drill, equipped with a DeWalt bit, drills into granite in a manner that is hard to believe for such a light and easy to use tool. The granite here on Cape Ann has been sent all over the world, and it is hard! Ordinary concrete is much less of a challenge. Highest recommendation.
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