BOSCH Rotary Hammer 11255VSR Review Powerful Versatile SDS Plus Drill Tool

  • Multi-function selector with 3 distinct modes allows seamless switching between rotation-only, rotary hammer, and hammer-only for versatile use.
  • Vibration control significantly reduces fatigue, making it comfortable to use during long work sessions.
  • The D-handle design enhances grip and control, especially when working overhead or drilling downward.
  • SDS-plus bit system enables quick, tool-free bit changes with automatic locking and dust protection for efficiency.
SKU: B000BB79Q6 Category:

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Description

Highlights of the BOSCH 11255VSR Bulldog Xtreme Rotary Hammer

Testing the BOSCH 11255VSR Bulldog Xtreme 8 Amp 1 Inch Corded Variable Speed SDS-Plus Concrete/Masonry Rotary Hammer revealed some seriously impressive features that make it stand out. This tool boasts a multi-function selector that lets you switch smoothly between rotation only, rotary hammer, and hammer only modes. This versatility means I could handle everything from simple drilling to heavy-duty chiseling without swapping tools. The variable speed reversing trigger was a game-changer for precise bit starts and removing stubborn fasteners. The SDS-plus bit system made swapping bits a breeze—no tools needed, with automatic locking and dust protection keeping the mechanism clean and efficient. Plus, the Vario-Lock system lets you rotate and lock the chisel in 36 positions, so I could fine-tune the angle perfectly for different jobs.

  • Multi-mode operation for maximum versatility
  • Tool-free SDS-plus bit changes with secure locking
  • Variable speed trigger with reverse for accuracy
  • Vibration control for comfort during extended use

Ergonomics and Handling: Comfort Meets Control

The D-handle design on this rotary hammer is one of the most comfortable I’ve used, especially for overhead or downward drilling tasks. I noticed less fatigue in my hand and wrist, which helped when tackling tougher concrete or masonry surfaces. The integral clutch plays a role here too, minimizing torque reaction and reducing that sudden jerk you sometimes get with powerful rotary hammers. The cord turret pivots 35 degrees, which not only extends the cord’s life but also made maneuvering the tool less of a hassle in tight spaces. Although the tool weighs a solid 10.4 pounds, it felt well-balanced and manageable for most tasks, even when used above my head.

Power and Performance: Punching Through Concrete with Ease

This beast packs a 7.5 amp motor delivering up to 1300 RPM and 5800 BPM (blows per minute), which really impressed me. It powered through reinforced concrete, brick, and stone without much struggle. The 2.0 foot-pounds of impact energy provided enough punch to handle heavy-duty demolition and drilling jobs efficiently. What’s cool is that the patented rotating brush plate ensures equal power in forward and reverse, so reversing the bit didn’t feel like a weak afterthought. Whether I was drilling holes for anchors or chiseling out old mortar, the Bulldog Xtreme kept up without overheating or losing momentum, which is a huge plus for any serious DIYer or professional.

Drawbacks to Consider Before Buying

No tool is perfect, and a few limitations popped up during use. The weight might be a dealbreaker for some; at over 10 pounds, it’s not the lightest option out there, so extended use can be tiring if you’re not used to heavier tools. The price point leans towards the higher side, which means casual users might find it a bit steep compared to smaller rotary hammers or cordless models. Also, the noise level is pretty high—ear protection is a must here, especially if you’re in a confined area. Lastly, while the dust protection for the bit system is helpful, some very fine dust still managed to get in during extreme drilling, so regular cleaning is necessary to keep everything running smoothly.

  • Heavier than some competitors, leading to fatigue
  • Higher price point may not suit occasional users
  • Loud operation requires hearing protection
  • Dust protection good but not foolproof

Alternative Offerings: How It Stacks Up Against Competitors

I’ve also had the chance to test some popular rival rotary hammers like the DeWalt DCH273B and Makita HR2475. The Bulldog Xtreme outperforms many of these in terms of power output and bit locking system—especially the automatic SDS-plus bit locking, which feels sturdier than the manual locks on some competitors. Its multi-function selector is more intuitive than the dial systems I’ve seen elsewhere, making mode switching quicker and less fiddly. However, some competitors offer cordless convenience (like the DeWalt brushless models), which is a plus for mobility but sacrifices a bit of consistent power. Makita’s model is generally lighter, which might appeal for longer jobs, but it doesn’t quite deliver the same raw impact energy.

Value Assessment: Is It Worth Your Investment?

Considering everything, this rotary hammer offers solid bang for the buck if you need a reliable, powerful, and versatile tool for heavy-duty concrete or masonry work. The build quality and advanced features like the variable speed trigger, multi-mode selector, and vibration control justify the investment for anyone who uses such tools regularly or professionally. For casual users, the price might feel steep, but the durability and performance can save money in the long run by reducing tool replacement and downtime. The inclusion of an auxiliary handle, depth gauge, and carrying case adds value, making it a complete package right out of the box.

Benefits of the Variable Speed and Reversible Trigger

One of the most satisfying features I found was the variable speed reversing trigger. It lets you start drilling slowly to avoid wandering bits, which is crucial for precision. The reverse function also helped immensely when I needed to back out stuck bits or remove fasteners without switching tools. This feature, combined with the patented rotating brush plate, ensures consistent power whether drilling forward or backward. It made the entire process smoother and more controlled, especially in tricky overhead applications. This level of control isn’t always common in corded rotary hammers, making this tool stand out.

Downsides of the Weight and Handling

Despite the ergonomic handle design, the overall weight remains a concern for extended use. Even with vibration control, holding a 10.4-pound rotary hammer above your head for prolonged periods becomes physically demanding. I noticed that after some time, my arms and shoulders started feeling the strain, particularly during repetitive chiseling jobs. For those who prioritize lightweight tools or have less upper body strength, this might limit how long you can comfortably work. Additionally, though the cord turret helps extend cord life, the cord itself can get in the way when working in tight spots or awkward angles.

Testing the BOSCH 11255VSR Bulldog Xtreme left me impressed by its power, versatility, and thoughtful design features. The multi-function selector, variable speed trigger, and SDS-plus system make it a robust choice for serious masonry and concrete tasks. However, the substantial weight and higher price point are factors to weigh carefully depending on your usage patterns. If you value precision, control, and durability in a corded rotary hammer, this one definitely deserves a spot in your toolbox.

Additional information

Brand

‎BOSCH

Power Source

‎Corded Electric

Maximum Rotational Speed

‎1300 RPM

Amperage

‎7.08 Amps

Maximum Chuck Size

‎13 Millimeters

Color

‎Blue

Included Components

‎Rotary Hammer, Auxiliary Handle, Depth Gauge, Carrying Case

Special Feature

‎Variable Speed

Product Dimensions

‎22.5"L x 11.25"W x 4.75"H

Speed

‎300 RPM

Maximum Power

‎850 Watts

Drill Type

‎Hammer Drill

Is Electric

‎Yes

UPC

‎000346345599

Global Trade Identification Number

‎00000346345599

Manufacturer

‎BOSR9

Part Number

‎11255VSR

Item Weight

‎10.4 pounds

Country of Origin

‎Mexico

Item model number

‎11255VSR

Is Discontinued By Manufacturer

‎No

Size

‎Each

Style

‎11255VSR

Item Package Quantity

‎1

Number Of Pieces

‎1

Number of Handles

‎1

Measurement System

‎Metric

Special Features

‎Variable Speed

Batteries Included

‎No

Batteries Required

‎No

Battery Cell Type

‎Lithium Ion

Warranty Description

‎1 Year Repair or Replacement of Parts

Date First Available

January 1, 2008

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