Rotary Hammer with SDS max GBH 12-52 D Professional

The most powerful rotary hammer from Bosch!
GBH 12-52 D Professional
Technical data
Additional data
Rated input power 1,700   W
Impact energy 19   J
Impact rate at rated speed 1,750 – 2,150   bpm
Rated speed 0 – 220   rpm
Weight 11.5   kg
Tool dimensions (width) 120   mm
Tool dimensions (length) 600   mm
Tool dimensions (height) 312   mm
Tool holder SDS max  
Drilling range
Drilling dia. concrete, hammer drill bits 12 – 52   mm
Opt. appl. range concrete, hammer drill bits 30 – 50   mm
Drilling dia. concrete, breakthrough drill bits 80   mm
Drilling diameter in concrete with core cutters 150   mm
Total vibration values (Hammer drilling in concrete)
Vibration emission value ah 20   m/s²
Uncertainty K 1.5   m/s²
Total vibration values (Chiselling)
Vibration emission value ah 15   m/s²
Uncertainty K 1.5   m/s²


The most powerful rotary hammer from Bosch!

  • Top performance when drilling and chiselling thanks to the 1.700 watt motor and 19 joules of single impact energy
  • Exceptional durability thanks to robust metal components
  • Automatic lock-on switch for highest user comfort during continuous chiselling applications


Protection of the user and the machine in case of overload or binding No abrupt blockage of the tool by unlatching clutch dogs and minimizing torque
Best work results with constant speed thanks to electronic regulation of speed - even under load
Optimal power transmission for large hammers
Prevents autonomous restart of the tool after power blackout. Only through new, conscious activation will the tool be ready to use
Best work results with speed pre-selection Best work results with speed pre-selection for applications requiring material-specific speed
Case Robust standard case
Construction The professional power tools for construction from Bosch.
What’s Included in this Package
in carrying case with auxiliary handle, Accessory
in carrying case with auxiliary handle, Accessory
Order number: 0 611 266 170
  • Auxiliary handle (spare part number 1 612 025 004)
  • Grease tube (spare part number 1 615 430 010)
  • Machine cloth
  • Voltage 240 V
  • Carrying case (spare part number 1 615 438 705)
The GBH 12-52 D in action!
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