BOSCH 11255VSR Bulldog Xtreme 8 Amp 1 Inch Corded Variable Speed SDS-Plus Concrete/Masonry Rotary Hammer
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Availability:
In Stock.
Arrives
Tuesday, Jun 9
Style: 11255VSR
Features
- 3 MODES: multi-function selector offers 3 modes of operation; Rotation-only, rotary hammer, and hammer only mode; Variable speed trigger with reverse offers accurate bit starting or easy fastener removing
- EASE OF USE: vibration control for comfort in all day applications
- ERGONOMIC: D-handle design provides comfort and optimal control, especially for overhead or downward drilling applications
- CONVENIENT: SDS-plus bit system provides tool-free bit changes with automatic bit locking, dust protection and maximum impact energy transfer; Vario lock positioning offers 36 bit positions for optimized chiseling angle
- POWER: 7.5 amp motor produces 0.1,300 RPM and 0.5,800 BPM to power through the toughest applications; delivers 2.0 feet /pounds of impact energy for maximum performance
- INCLUDES: rotary hammer, (1) auxiliary handle, (1) depth gauge and a carrying case
Description
Get a fast, long lasting rotary hammer with the BOSCH bulldog extreme 1 inch Rotary hammer. It features a multi-function selector that quickly shifts between rotation only, rotary hammer and hammer only modes for optimal versatility. It also has a variable Speed reversing trigger for accurate bit starts and simple removal of fasteners and bound bits. From the Manufacturer The totally redesigned Bulldog Xtreme outlasts the competition in both speed and performance. Multi-function selector has 3 modes of operation: rotary hammer, hammer-only and rotation-only mode. Vario-Lock Positioning rotates and locks chisel into 36 different positions to optimize working angle. The patented rotating brush plate provides equal power in forward and reverse. Cord turret has a 35-degree pivot for added flexibility and longer cord life. SDS-plus bit system tool-free bit changes with automatic bit locking, dust protection and maximum impact energy transfer rate. Variable- speed reversing trigger for accurate bit starting as well as removing fasteners or bound bits. Integral clutch helps minimize torque reaction. The 11255VSR has a comfortable D-handle grip design for greater control, especially when drilling overhead or downward.
Brand: Bosch
Power Source: Corded Electric
Maximum Rotational Speed: 1300 RPM
Amperage: 7.08 Amps
Maximum Chuck Size: 13 Millimeters
Power Source: Corded Electric
Maximum Rotational Speed: 1300 RPM
Amperage: 7.08 Amps
Maximum Chuck Size: 13 Millimeters
Additional Features: Variable Speed
Speed: 300 RPM
Maximum Power: 960 Watts
Torque: 2 Foot Pounds
Drill Type: Hammer Drill
Is Electric: Yes
Drilling Capacity Metal: 1 Inches
Color: Blue
Material Type: Blend
Item Dimensions L x W x H: 22.5"L x 11.25"W x 4.75"H
Item Weight: 10.4 Pounds
Brand Name: Bosch
Included Components: Rotary Hammer, Auxiliary Handle, Depth Gauge, Carrying Case
Model Number: 11255VSR
UPC: 000346345599
Global Trade Identification Number: 99
Manufacturer: BOSR9
Manufacturer Warranty Description: 1 Year Repair or Replacement of Parts
Manufacturer Part Number: 11255VSR
Unit Count: 1.0 Count
Item Type Name: 11255VSR 1 In. SDS-plus® Bulldog™ Xtreme Rotary Hammer
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Jun 9
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 11255VSR
(Review for "Bosch 11255VSR BULLDOG Xtreme 1-Inch SDS-plus D-Handle Rotary Hammer", Purchased on Amazon June 2013.) 2-1/2 years later this tool has held up to the test of time, durability, and performance (and abuse!). It has so far easily chiseled through 600sqft of floor tile and thinset laid over concrete slab, broken apart portions of 4" concrete slab (after drilling holes into it first), and drilled many dozens of vertical holes into existing reinforced concrete foundation wall, ranging from 5/8" to 3/4" diameter holes down to 8" to 12" deep. As expected it has no problem with all of the various SDS-Plus bits and attachments, of which I have 6 different SDS-Plus concrete drilling bits, each 18" long, and 3 different chisel bits. The tool often gets covered in concrete dust after drilling yet does not impact performance and quick blast from an air compressors will easily clear the dust. I am impressed with its longterm durability, especially after weeks or sometimes months of no use while sitting in my toolboxes - it's been stored in my S.Texas garage or truck toolbox, exposed to S.Texas summer heat and humidity (but I've never allowed it to be directly exposed to wind-driven dirt, or to rain/water). I rarely use the case. [The case it ships with is terrific for storing the tool with its D-Handle and almost a dozen SDS-Plus bits (depending on length and tip), but it occupies too much space for my needs, and so it is stored in a mobile toolbox along with other power tools. The case is sturdy, of durable plastic, with good locking latches - I believe the case over time will not crack or become brittle as the plastic material appears to be the same as for other cases from Bosch, Dewalt, etc.] The metal bracket on the handle comes in extremely handy - pull the metal bracket out and the tool can be easily hung on any horizontal pipe, scaffold member, etc. - just like the Bosch Nail Guns. The tool's settings for forward-reverse (a slide switch) and for drill-combo-hammer (a dial) stays in place, and after more than a 100+ hours of (intermittent) use over 2-1/2 years, the dial and slide switch settings have never vibrated out of setting, unlike some other lesser (non-SDS) rotary hammers I've had. I have found that the reverse setting (counterclockwise rotation) is just as powerful as the forward (clockwise) rotation both in terms of speed and torque - an 18" long 3/4" diameter SDS-Plus drill bit will often get stuck on it's way to 8" to 12" deep, especially when it encounters rebar or some really hard stone aggregate...and as the tool description says, it disengages the torque when it detects the bit is stuck. Getting unstuck is as easy as throwing the hammer/drill into reverse. It almost instantly gets unstuck, ready to go at it again. The large red trigger (on/off) button on the handle has so far been great - I can fit 1-2 fingers to hold it down for those long drills into concrete (I have not complaints on the trigger-pull as I do on one of my handguns :)). The best part is that this trigger appears to accurately and proportionately control the variable speed rotation of the drill (in either forward or reverse) - you can go from zero to full speed rotation fast or control the drill/hammer speed as precisely as needed, which is fantastic when first starting off a drill bit. In my opinion, this SDS-Plus hammer-drill is powerful - with the right SDS-Plus concrete drill bit, most of the 8" to 12" deep holes in concrete take only several minutes. (IF you need a more powerful hammer-drill for concrete and hard stone, well...get the bigger cousin.) Bit changing is fantastic with the SDS-Plus format and the tool's quick-change chuck - the chuck is a solid design. Once the SDS-Plus bit is locked in, it doesn't come off or come loose, and the only times that it does is because the bit wasn't properly/fully inserted. The D-Handle is in my opinion adequately designed and does the job well - I've never removed it, always using the D-Handle on every use without a problem whatsoever. The only issue I have had is the depth gauge, but nothing worth dinging any stars from the core tool itself...whatever metal it's made of (aluminum?) is flimsy and it bends way too easily. Sure I can unbend it but it's a bother trying to really straighten it out. It is also short for my needs, although I think most users will be happy with it. [FYI - 18" long SDS-Plus drill bits have 4-6" of empty shank and the depth gauge is barely long enough when drilling down to only 6"-8". I have no comparisons to other hammer-drills of the SDS-Plus class so I do not have adequate perspective to share. I bought the tool based on the reviews on Amazon and research of SDS, SDS-Plus, and SDS-Max hammer drills. Even with my own [limited] abuse, I think this is one of the best quality, most powerful and most durable power tools I will ever own. In a few weeks, I'll be using this tool to pound 5/8" and 3/4" by 8 foot long ground rods into rocky soil...I have no hesitation that it'll do a great job fast.
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Reviewed in the United States on February 28, 2016 by Wingman401
Style: 11255VSR
My husband recommended that we buy a rotary hammer tool to remove very thick tile and linoleum in an old house we were remodeling. We are DIYers, not in the trade, but I have been DIYing for a couple of decades now and comfortable with power tools. We saw one of the workers in the house use this tool one day, so we decided to buy the same one. (We had tried a sledgehammer initially, but the tile and thinset layer was so thick, and we had about 300 square feet to do.) Both my husband and I used it separately, and I will tell you the pros and cons from both of our perspectives. Pros: It does the job quickly. We bought a larger chisel attachment, and we started, using the Hammer function on the tool, where we had last sledgehammered out part of a tile. Holding the tool at about a 30 degree angle, we could easily get under the layer of tile we were removing and pull it up very powerfully and fast. It felt much safer than our initial sledgehammer approach - far less debris flying up. My husband felt that it was easy enough to hold because of the two handles. It was intuitive to use, and most importantly, it was fast. I don't know how we would have finished that job without this tool. Cons: If the rotary hammer was pointed too far downwards, it could burrow into the wood. We had to be very careful about the angle we held it at to make sure it was positioned horizontally enough to both get under the tile and not go too deep. I felt like it was heavy after using it for a couple of hours (though my husband did not.) Also, the entire process is loud - the tool itself is loud, and the chipping away of heavy tile is loud, so wear earplugs (as well as globes and eye protection!) We will use this tool again for our next remodel. The storage case is compact and stacks side by side next to the rest of our hand tools. I feel like Bosch delivers high quality tools that are also DIY friendly, so hoping we have this for years to come.
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Reviewed in the United States on March 19, 2026 Reviewed in the United States on March 19, 2026 by SVANYAY
Style: 11255VSR
This is a work horse. I am using it to build out my basement. It pushes the bits through like butter. My only problem was that the depth guide moved with the vibration but it doesn’t affect my review. I like it a lot. The vibration was not bad either. My hands experienced no issues. It is a great tool, seems heavy duty, and was a good value for the money. Perfect!
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Reviewed in the United States on April 1, 2025 by OceanCruiser13
Style: 11255VSR
I bought this for two parts of a major remodel in our home. 1st, I used this as a mini jackhammer to removed tile from our bathroom and kitchen. It couldn't have been easier. The tiles came off like cutting through butter. As a bonus the wall was largely intact thus making it easier to put up new tile later one. 2nd, I used this as a hammer drill to drill through the brick exterior of our home. Again, couldn't have been easier. This drill handled these two tasks with ease. It never felt like it was "bogged" down or overheating at all. Honestly this product was probably a bit of overkill, but I really do believe, "Right tool for the right job" I could have saved a little money and bought some no name product, but I figured if I was going to buy this tool I wanted to spend a little bit more for a quality name brand and hopefully only buy it once. Time will tell, but I feel like it was the right choice. So, if you got a decent size project coming up save your muscle and your time, buy this drill and knock it out in no time.
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Reviewed in the United States on September 23, 2023 by JC
Style: 11255VSR
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.
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Reviewed in the United States on May 12, 2008 by Walker
Style: 11255VSR
I bought this drill two weeks ago, so I cannot speak about the durability of it. It does seem very sturdily built. I have also not used it for concrete yet, so I don't know how it will function. But, I have been using it for regular drilling and sinking screws, and it will drill and sink pretty much anything with ease. There are two reasons I am giving this 4 instead of 5 stars, but I would give it 4.5 if I could. Reason 1 - It does have variable speed, meaning the harder you press the trigger, the faster it goes. This is great, but it is a hair trigger. You have to press very very lightly to get a low speed and it ramps up to full speed rather quickly. This can be a problem for people who tend to clench all their fingers when stabilizing the drill. I have the hang of it because I had a similar drill before, but a friend of mine who is helping me on the project can't seem to get it. Reason 2 - I wasn't familiar with what SDS Plus meant until I got the drill and instruction booklet. (Chalk this up to DIY experience versus someone who is a pro.) For those who don't know what SDS Plus is, it is a type of drill bit that you use when hammer drilling concrete. It allows the drill itself to bang up and down without the drill bit moving up and down (similar to how a nail stays in place when you bang it with a hammer) due to a channel system cut in the side of the drill bit. The problem is that the only SDS Plus bits readily available at most hardware stores are for concrete. The reason I bought this hammer drill, though, was because it had the option of being used only as a drill (as well as only as a hammer and both at the same time) so that I could use it around the house as well. This means you need an adapter to accept regular drill bits. I bought an adapter [...] and the drill has been great on everything I use it for. I know some people will chalk this last reason up to user error, but I am willing to bet there are a lot of DIY people out there who do not know what SDS Plus means. To me, it sounded just like part of the drill's name in the Amazon title. Long story short, I can say that for the two-weeks I have had it, this hammer drill is great as a drill so long as you have the adapter and so long as you can manage the hair trigger. I will update further when I have had it longer and used the hammer and hammer-drill functions.
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Reviewed in the United States on October 20, 2012 by Aaron
Style: 11255VSR
This is a great drill for drilling into cement. It works well. Easy to change drillbits. Everything about it it’s good. I would recommend this item.
Reviewed in the United States on May 14, 2026 by Randy
Style: 11255VSR
This Bosch Drill is just the ticket. I'm a retired home owner, so I might drill two holes this month and 200 next. So far I punched about 50 holes in 8", 3000 psi concrete and it has performed flawlessly. The last one I had ( some jap brand) lasted 3 holes and burned up. When I was working we had the same drill and probably used it for a couple of years without any problems. For the value, excellent, great quality. easy to use. Not super lightweight, but for a hammer drill, you dot want that.
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Reviewed in the United States on July 24, 2025 by Michael