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Bosch Bulldog Extreme 1" SDS Plus

SKU 11255VSR
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Original price $259.99 - Original price $259.99
Original price $259.99
$259.99
$259.99 - $259.99
Current price $259.99
In-Store Availability
Stock Status: 3+ Location: Not Specified
In-Store Only — Visit us in Gap, PA to purchase

Overview

The Bosch Bulldog Extreme 1" SDS Plus (11255VSR) is designed for rotary hammer drilling and chiseling applications in concrete, masonry, and similar hard materials.

Specification Value
MPN 11255VSR
Brand Bosch
Chuck Style SDS-Plus
Handle Type D-Handle
Motor Current 8 A
Voltage 120V AC
No-Load Speed 0 – 1,300 RPM
Blows per Minute 0 – 5,800 BPM
Impact Energy 2.0 ft-lb
Solid Bit Capacity in Concrete 1 in
Optimal Drilling Range in Concrete 3/16 in – 5/8 in
Modes of Operation Hammer and Rotate, Hammer Only, Rotate Only
Clutch Style Integral Anti-Kickback Clutch
Auxiliary Handle Positions Continuous (36 positions)
Cord Length 13 ft
Weight 11.60 lb
Kit Contents Bare Tool

Technical Features

  • 7.5 Amp Motor at 0–1,300 RPM and 0–5,800 BPM: Variable speed output allows the tool to be matched to application demand, reducing material damage and improving bit control.
  • SDS-Plus Bit System with Tool-Free Bit Change and Auto Locking: Eliminates the need for a chuck key, reducing downtime during bit swaps and ensuring secure bit retention under load.
  • 2.0 ft-lb Impact Energy at up to 5,800 BPM: Delivers consistent percussion force for efficient material removal in concrete and masonry up to 1 in capacity.
  • Three-Mode Multifunction Selector (Rotation Only, Rotary Hammer, Hammer Only): Enables the tool to perform drilling, hammer drilling, and chiseling from a single unit, reducing the need for multiple tools on site.
  • Integral Anti-Kickback Clutch: Disengages the drive train upon binding to reduce torque reaction at the handle, improving operator safety.
  • Vario Lock Positioning — 36 Auxiliary Handle Positions: Continuous handle rotation with 36 locking points allows the operator to optimize grip angle for overhead, horizontal, or downward drilling.
  • D-Handle Design: Provides a stable, ergonomic grip that is particularly suited to overhead and downward drilling orientations.
  • Patented Cord Turret with 35-Degree Pivot: Relieves stress at the cord entry point, extending cord service life and improving maneuverability in confined work areas.
  • Variable-Speed Trigger with Reverse: Enables controlled bit starting to prevent surface skipping and allows reverse rotation for fastener removal or bit extraction.
  • 13 ft Cord Length: Extends reach on the job site without requiring an immediate extension cord in many standard work configurations.

Applications

  • Rotary hammer drilling in concrete for anchor bolt installation, rebar doweling, and utility penetrations within the 3/16 in – 5/8 in optimal range.
  • Full-capacity solid bit drilling in concrete up to 1 in diameter.
  • Light chiseling and surface preparation using hammer-only mode.
  • General masonry drilling using rotation-only mode with appropriate SDS-Plus bits.
  • Overhead drilling applications where the D-handle and multi-position auxiliary handle provide stabilized control.
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