A studio shot of the Bosch 11255VSR Bulldog Xtreme rotary hammer featuring a blue and black body, a D-handle rear grip, and a side auxiliary handle.
An informational diagram of the rotary hammer highlighting key features such as the multi-function selector, variable-speed trigger, Vario-Lock positioning, and integral clutch.
Side profile view of the rotary hammer showing the depth gauge rod attached to the side handle, the red mode selector switch, and the comfortable D-handle grip.
Front-facing view of the tool focusing on the SDS-plus keyless chuck, the side handle grip texture, and the depth gauge mounting point.
Top-down view of the rotary hammer displaying the slim profile, the depth gauge rod extending parallel to the body, and the ventilation slots on the motor housing.
An action shot of a worker using the rotary hammer to chip up concrete flooring, connected to a dust extraction attachment and vacuum for a clean workspace.
A close-up graphic illustrating the Vario-Lock positioning feature, showing the chuck rotating to adjust the angle of a flat chisel bit.
A close-up of a gloved hand pressing the variable-speed trigger on the D-handle, highlighting the ergonomic grip and control.
A construction worker wearing a hard hat using the rotary hammer overhead to drill into a concrete ceiling, utilizing a dust collection attachment to capture debris.
A mode selection graphic displaying icons for the three operation modes: Rotary Only, Rotary Hammer, and Hammer Only.
An informational graphic titled Available Modes displaying icons and text for the three tool settings: Rotary Only, Rotary Hammer, and Hammer Only.
A close-up action shot of the tool chipping into concrete ground, accompanied by text stating 2.0 ft-lbs Hard-Hitting Impact.
A profile view of a worker drilling into a wall using the rotary hammer connected to a dust collection attachment to maintain a clean work environment.
A construction worker wearing a white hard hat and safety glasses drilling into a concrete wall in an industrial setting with exposed conduit and safety signage.
A warranty information graphic displaying the Bosch logo and text stating Corded Tool 1 Year Limited Warranty.
New Bosch Outdoor Power Equipment | Bosch WOC 2026 promotional video
A studio shot of the Bosch 11255VSR Bulldog Xtreme rotary hammer featuring a blue and black body, a D-handle rear grip, and a side auxiliary handle.
An informational diagram of the rotary hammer highlighting key features such as the multi-function selector, variable-speed trigger, Vario-Lock positioning, and integral clutch.
Side profile view of the rotary hammer showing the depth gauge rod attached to the side handle, the red mode selector switch, and the comfortable D-handle grip.
Front-facing view of the tool focusing on the SDS-plus keyless chuck, the side handle grip texture, and the depth gauge mounting point.
Top-down view of the rotary hammer displaying the slim profile, the depth gauge rod extending parallel to the body, and the ventilation slots on the motor housing.
An action shot of a worker using the rotary hammer to chip up concrete flooring, connected to a dust extraction attachment and vacuum for a clean workspace.
A close-up graphic illustrating the Vario-Lock positioning feature, showing the chuck rotating to adjust the angle of a flat chisel bit.
A close-up of a gloved hand pressing the variable-speed trigger on the D-handle, highlighting the ergonomic grip and control.
A construction worker wearing a hard hat using the rotary hammer overhead to drill into a concrete ceiling, utilizing a dust collection attachment to capture debris.
A mode selection graphic displaying icons for the three operation modes: Rotary Only, Rotary Hammer, and Hammer Only.
An informational graphic titled Available Modes displaying icons and text for the three tool settings: Rotary Only, Rotary Hammer, and Hammer Only.
A close-up action shot of the tool chipping into concrete ground, accompanied by text stating 2.0 ft-lbs Hard-Hitting Impact.
A profile view of a worker drilling into a wall using the rotary hammer connected to a dust collection attachment to maintain a clean work environment.
A construction worker wearing a white hard hat and safety glasses drilling into a concrete wall in an industrial setting with exposed conduit and safety signage.
A warranty information graphic displaying the Bosch logo and text stating Corded Tool 1 Year Limited Warranty.
New Bosch Outdoor Power Equipment | Bosch WOC 2026 promotional video
BOSCH

Bosch Rotary Hammer 11255VSR 1 Inch SDS Plus Bulldog Xtreme 8 Amp Corded Concrete Drill Variable Speed D Handle Chipping Anchoring Tool Kit

In stock
SKU: 11255VSR
$219.00 USD

Description

Bosch Promtional Logo Logout

Contractor-Grade 8.0 Amp SDS-Plus 1-Inch Corded Rotary Hammer with 2.0 Ft-Lbs Impact Energy, 3-Mode Selector, and Vario-Lock Chisel Matrix

The Bosch 11255VSR Bulldog Xtreme 1 Inch Rotary Hammer SDS-Plus 8 Amp Corded Concrete Drill delivers specialized structural drilling utility and exceptional material fracturing efficiency across high-demand masonry worksites. Engineered with a robust 8.0 Amp motor generating 2.0 ft-lbs of impact energy and up to 5,800 no-load blows per minute (BPM), this high-performance layout instrument maintains structural drill speed while keeping total unit weight restricted to a balanced 6.7 lbs. This contractor-grade diagnostic solution resolves hazardous torque kickback shocks, premature carbon brush wear variations, and single-angle chipping constraints by combining an integral mechanical slip clutch with an exclusive power-equalizing rotating brush plate and a 36-position Vario-Lock chisel indexing layout. Outfitted with a versatile 3-mode operation dial selector, a variable-speed reversing trigger, a built-in HammerHook job site suspension clip, and complete PRO+GUARD OSHA silica dust extraction compatibility, this rugged d-handle station optimizes subcontractor production flow paths during heavy drop-in anchor installations, structural brick chipping runs, and deep wood or steel breakthrough boring cycles.

Best Used For:

  • Structural Anchor Drilling: Boring clean, high-precision 1-inch diameter pilot openings into poured solid concrete foundations for anchoring structural tie-downs.
  • Masonry Restoration Chipping: Removing old masonry tile mortar lines and breaking down localized concrete scaling using the hard-hitting hammer-only chisel configuration.
  • Multi-Material Construction Layouts: Transitioning cleanly to rotation-only configurations for drilling wide holes through framing wood or structural steel plates single-handedly.

Key Performance & Safety Features

  • 36-Position Vario-Lock: Advanced internal lock ring rotates and secures chisels at 36 distinct locking configurations to align cut lines without modifying user hand layouts.
  • Integral Safety Torque Clutch: Integrated safety release clutch isolates driving rotation immediately if a core bit binds inside concrete mesh, neutralizing kickback force paths.
  • Rotating Brush Plate Geometry: Specially engineered brush configuration maintains equal current delivery in forward and reverse, extending carbon brush component lifespans.
  • Tool-Free SDS-Plus Interface: Keyless bit entry tracks automatic locking mechanisms to ensure high-efficiency impact kinetic force transfer.
  • Ergonomic D-Handle Frame: Balanced top-handle layout gives subcontractors superior linear stabilization lines during vertical floor boring and overhead applications.

What's Included

  • (1) 11255VSR SDS-plus Bulldog Xtreme 1 In. Rotary Hammer
  • (1) 360-Degree Adjusting Side Auxiliary Handle
  • (1) Metal Linear Depth Gauge Rod
  • (1) High-Impact Protective Hard Carrying Case

Technical Specifications

Specification Value
Brand Name Bosch
Model Number 11255VSR
Product Classification Type Corded D-Handle Rotary Hammer Drill
Current Amperage Draw 8.0 Amps
Input Voltage Grid 120V Standard AC
Chuck Tool Interface SDS-Plus (Keyless System Architecture)
Kinetic Impact Energy Rating 2.0 ft-lbs
Maximum Winding Velocity 0 - 1,300 RPM No-Load Speed
Percussive Hammer Frequency 0 - 5,800 BPM No-Load Frequency
Maximum Concrete Boring Depth 1 in.
Maximum Core Bit Capacity Diameter 2-5/8 in.
Maximum Wood Boring Diameter 1 in.
Maximum Steel Boring Diameter 1/2 in.
Overall Body Dimensions 17.25 in. x 3.5 in. x 6.0 in.
Net Hardware Machine Weight 6.7 lbs.

Pro-Tip: Before starting deep structural anchor holes, switch to rotation-only mode for the initial 1/8 inch depth score to establish a clean alignment track. Ramping up the trigger speed incrementally within this shallow guide slot prevents bit walking over slick aggregate surfaces, saving carbide tip longevity.