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Bosch Rotary Hammer | Bulldog Xtreme Max
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Bosch 1-1/8" SDS-plus® Bulldog™ Xtreme Max Rotary Hammer

Brand: Bosch Mfg#: GBH2-28L
Product#: 162GBH228L
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The Bosch GBH2-28L 1-1/8" SDS-plus® Bulldog™ Xtreme Max Rotary Hammer features a powerful 8.5-amp motor and KickBack Control. This feature is an integrated sensor to stop tool rotation during bit bind-up situations. The GBH2-28L combines user comfort with versatile drilling and hammering functions. It provides counter-balanced Vibration Control for more comfortable handling of the hammer. Ideal for masonry pros or general contractors, this tool weighs only 6.9 Lbs. but delivers 2.4 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. This Bulldog has ideal features for hard-working pros, including a variable-speed reversing trigger for accurate bit starting, Vario-Lock positioning for the optimal chiseling angle, a HammerHook that allows the user to hang the tool on the job and an ergonomic D-handle for user comfort. The SDS-plus® system provides for tool-free bit changes.


  • Vario-Lock™ - rotates and locks chisel to optimize working angle
  • Counter-balanced vibration control - improves user comfort during drilling or chiseling applications
  • HammerHook - allows quick tool storage during the job
  • Variable-speed trigger with reversing - offers accurate bit starting
  • KickBack Control - uses an integrated sensor to stop tool rotation during bit bind-up situations


  • Brand: Bosch
  • Product Line: Bosch Bulldog Xtreme
  • Includes: (1) GBH2-28L Rotary Hammer, (1) Auxiliary Handle, (1) Depth Gauge, (1) Carrying Case
  • Handle Type: D-Handle
  • Torque: 2.4 ft-lbs
  • Air Inlet: Yes
  • Throttle Style: Variable Trigger
  • Tool Length: 17.4 in
  • Voltage: 120 V
  • Speed: 1300 rpm
  • Amperage: 8.5 A
  • Impact Energy: 2.4 ft-lb
  • Number of Tools: 1
  • Overall Length: 17.4 in
  • Battery Type: Corded
  • Series: Bulldog Xtreme
  • Control Type: Variable Trigger, 3 Hammer/Drilling Modes
  • Maximum Concrete Capacity: 1.125 in
  • Chuck Type: SDS-plus
  • Cutting Capacity: 2.75 Core Bit Capacity
  • Standards: CSA Certified
  • Drive Size: 1.125 in
  • Blows per Minute: 5100 bpm
  • Drive Type: Hammer & Piston
  • Cord Length: 8 ft
  • Chuck Size: SDS-plus
  • Length: 17.4 in
  • Width: 3.5 in
  • Height: 8.5 in
  • Special Features: KickBack Control, Counter-balanced vibration control, Vario-Lock™ – rotates and locks chisel,
  • Usage: Concrete Drilling