|Item Weight||10.4 pounds|
|Product Dimensions||22.5 x 11.25 x 4.75 inches|
|Item model number||11255VSR|
|Is Discontinued By Manufacturer||No|
|Power Source||Corded Electric|
|Item Package Quantity||1|
|Number Of Pieces||1|
|Number of Handles||1|
|Included Components||Rotary Hammer, Auxiliary Handle, Depth Guide, Case|
|Warranty Description||1 Year Repair or Replacement of Parts|
Bosch 11255VSR Bulldog Xtreme - 8 Amp 1 Inch Corded Variable Speed Sds-Plus Concrete/Masonry Rotary Hammer Power Drill with Carrying Case, Blue
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- 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: The Bulldog Xtreme Bosch Drill has 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: Bosch’s powerful 7.5 amp rotary tool motor produces 0 1, 300 RPM and 0 5, 800 BPM to power through the toughest applications; The rotary hammer delivers 2.0 feet /pounds of impact energy for maximum performance
- Works with Bosch Pro+Guard dust solutions – An end-to-end dust-collection system that helps users move toward OSHA silica table 1 dust compliance
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From the manufacturer
Bosch 11255VSR Xtreme 1-Inch SDS-Plus Rotary Hammer
Bosch has the right tool to optimize work on the jobsite, including the Bosch 11255VSR Bulldog Xtreme Rotary Hammer. The technology built into every Bosch tool drives maximum power and performance. From anchoring to large material breaking, this Bosch Bulldog Xtreme hammer gets the job done right the first time.
(1) 1-Inch SDS-Plus Rotary Hammer, (1) Auxiliary Handle, (1) Depth Gauge, (1) Carrying Case
- Amperage: 7.5
- Chuck Design: Keyless
- Chuck Size: 3-4-Inch SDS-Plus
- Cord Length: 8 Feet
- RPM: 1,300
- Voltage: 120-Volts
Power and Design Combined
A powerful 7.5 Amp motor (0-1300 RPM; 0-5800 BPM) is capable of delivering 2.0 ft./lbs. of impact energy. The rotary hammer's D-handle design is ideal for overhead and downward drilling applications.
The Bosch 11255VSR 1-inch SDS-plus Bulldog Xtreme Rotary Hammer features three modes of operation: rotary hammer, rotation only and hammer only. Additionally, Vario-Lock positioning rotates and locks the chisel into 36 different positions to optimize working angle in hammer-only mode.
Show Me the Power
A variable-speed trigger with reversing offers accurate bit starting as well as removing fasteners or bound bits. An integral clutch disengages torque transmission if the bit gets into a bind. A Bosch-exclusive rotating brush plate provides equal power in forward and reverse for greater flexibility on the job.
Bosch's HammerHook allows quick tool storage during the job. And a Bosch exclusive cord turret allows 35 degree pivot for added flexibility and longer cord life. The SDS-plus bit system provides tool-free bit changes with automatic bit locking, dust protection and maximum impact energy transfer.
Compare with similar items
Get a fast, long lasting rotary hammer with the Bosch bulldog extreme 1 in. 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.
Top reviews from the United States
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I am really angry to have bought a name brand machine, only to have it fall apart after a few holes. If this is typical Bosch quality, then I may as well buy the cheapest junk I can find. It can't be worse! This is my first SDS, but I have owned and used many drills. I have never had a failure until today. FYI, I am also a retired (30 years) journeyman tool and die maker.
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.
The one criticism is that the air exhaust will blow dust into your face at some angles. It’s just a question of learning to change the way you hold it as you move it around. I wish though that the exhaust were adjustable.
I use the Bulldog in a commercial setting, I work for a health care facility that was built in early 1900's. When doing any renovations, repairs or alterations we frequently run into masonry walls/floors. The Bulldog has yet to meet it's match. Great adjustable ergonomics, versatility and plenty of power. I've used these occasionally in the construction industry for 25+years and recently purchased one for myself since I'm in need of one with much more frequency.
There just isn't anything bad to say about it!! And considering what you get for the price it's a great value especially Incorporated with the Bosch sds plus bits. PULL THE TRIGGER and get one!!
Top reviews from other countries
one foot wide trench for new 4 inch PVC piping to a sewer connection. The tool driiled hundreds of 1/2" holes using a Bosch 1/2" carbide tip drill bit in about 30 seconds each. I drilled the holes 2 inches apart and then using a sledge I broke out sections I could carry in a bucket out of the basement. No messy dust from saws and jack hammers that I would have to rent costing more than this tool. The little pile of dust similar to an ant hill was sucked up by my shop vac. Sweeping would also work. This is a great tool.
In fact, it seems so effortless, one is initially left with the impression that it's not even doing anything, until one realises how deep the hole is.
Be aware, however, that it has an SDS chuck. If you intend to use it with regular bits, then you'll need an adaptor. YMMV, but I've had bad luck with the adaptor I bought (the expensive SDS-plus Keyless Chuck from Bosch, which did heat up and literally fell apart and shattered after very little use). Be sure to read reviews if that's the path you're heading down.