Power Tools for Professionals



SDS-plus® Bulldog™ Xtreme 1 In. Rotary Hammer

The Bosch GBH2-26 1 In. SDS-plus® Bulldog™ Xtreme Rotary Hammer is a durable and powerful 8.0 Amp rotary hammer. Another of the notable Bosch Bulldog™ hammers, this powerful and versatile tool combines user comfort with versatile drilling and hammering functions. Ideal for masonry pros or general contractors, this tool weighs only 6.4 Lbs., but it has an upgraded 8.0 Amp motor that provides 2.0 Ft.-Lbs. of impact energy and 0-5,100 BPM. It has a multifunction mode selector for drilling versatility – drilling only, hammer drilling and chiseling. With a rotating brush plate for longer brush life, this hammer provides a variable-speed reversing trigger for accurate bit starting. The SDS-plus® system provides for tool-free bit changes with automatic bit locking. The tool has a Vario-Lock positioning system that allows the user to rotate a chisel into the optimal chiseling angle. An ergonomic pistol-grip handle provides comfort in hard-to-reach places or all-day tasks.

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  • (1) SDS-plus® Bulldog™ Xtreme 1 In. Rotary Hammer
  • (1) Auxiliary Handle
  • (1) Depth Gauge
  • (1) Carrying Case


  • Upgraded 8.0 Amp motor – delivers 2.0 Ft.-Lbs. of impact energy
  • Three modes of operation – drilling only, hammer drilling and chiseling
  • Rotating brush plate – provides equal power in reverse and extends brush life
  • Variable-speed reversing trigger – for accurate bit starting
  • Power performance – provides a no-load RPM at 0-1,300 and no-load BPM at 0-5,100
  • SDS-plus® system – tool-free bit changes with automatic bit locking
  • Pistol grip handle – compact ergonomic design with soft grip
  • Vario-Lock positioning – rotates and locks chisel into the optimal working angle
  • Exclusive cord turret – 35° pivot for added flexibility and longer cord life
  • Efficient air-flow design – optimizes air circulation for optimal motor cooling

Technical Data

Amperage 8.0
Chuck Design Keyless
Chuck Size 1 in
Drive System SDS-plus
Height 8.3"
Impact Energy/EPTA (ft. lbs.) 2.0 Ft.-Lbs. EPTA
Length 15.0"
Material Composite
Max Bit Diameter 1"
Max. Hole Dia. - Core Bit 2-5/8"
Max. Hole Diameter in Concrete 1"
Max. Hole Diameter in Concrete-Thin Wall Core Bit 2-5/8"
Max. Hole Diameter in Steel 1/2"
Max. Hole Diameter in Wood 1-1/4"
No Load BPM 0-5,100
No Load RPM 0-1,300
Optimal Concrete Capacity Range 3/16" - 5/8"
Rating 120V
Voltage 120V
Weight 6.4lb
Weight (lbs.) 6.4
Width 3.0"
Works With Dust Extraction/Collection Hoods
HDC100, HDC200
Right Angle Attachment
Keyless 3-Jaw Chuck with SDS-plus® Shank
Includes (1) SDS-plus® Bulldog™ Xtreme 1 In. Rotary Hammer, (1) Auxiliary Handle, (1) Depth Gauge, (1) Carrying Case
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Owner's Manual


Accessories and Attachments For GBH2-26

Adapters and Chucks
Rotary Hammer & Hammer Drill Attachments
SDS-plus® Bulldog™ Hammer Steel
SDS-plus® Bulldog™ Xtreme Hammer Steel
SDS-plus® Hammer Carbide
SDS-plus® Rebar Cutters


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