GBH 4-32 DFR Professional

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GBH 4-32 DFR Professional

Rotary Hammer with SDS plus

The fastest multi-hammer in the 4kg class

Technical data
Additional data
Rated input power* 900 W
Impact energy* 4.2 J
Impact rate at rated speed 0 – 3,600 bpm
Rated speed 0 – 800 rpm
Weight 4.7 kg
Tool holder SDS plus
Drilling range
Drilling dia. concrete, hammer drill bits* 6 – 32 mm
Opt. appl. range concrete, hammer drill bits 14 – 25 mm
Max. drilling diameter masonry, core cutters 90 mm
Max. drilling diameter in metal 13 mm
Max. drilling diameter in wood 32 mm
Total vibration values (Hammer drilling in concrete)
Vibration emission value ah 12 m/s²
Uncertainty K 1.5 m/s²
Total vibration values (Chiselling)
Vibration emission value ah 9 m/s²
Uncertainty K 1.5 m/s²


* Highlighted Data

The A-rated noise level of the power tool is typical as follows: Sound pressure level 93 dB(A); Sound power level 104 dB(A). Uncertainty K= 2 dB.


The fastest multi-hammer in the 4kg class

  • Wide range of applications in chiseling and drilling work and when working with a core cutter
  • Drills up to 30% faster (25 mm diameter) than other tools in its class
  • Low vibration levels of only 12 m/s² for less tiring work due to Bosch Vibration Control

Functions : Comfortable working thanks to low vibration by adding rubber mounting/foam padding to the handlesOptimal power transmission for small hammersMetal chuck 1.0 - 13.0 mm Forward / reverse rotation for inserting and removing screwsConvenient adjustment of the chisel position enabling you to adapt it to each work situationEasy and precise control of the RPM thanks to variable speedProtection of the user and the machine in case of overload or binding No abrupt blockage of the tool by unlatching clutch dogs and minimizing torqueConstruction The professional power tools for construction from Bosch.


Bosch – Germany

SKU: GBH 4-32 DFR Category: Tags: ,