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24/7 Available

Customer Experience

Products Ranges

Competitive Pricing

Pick Up Option

Quality Assurance

Functions & Key Features


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


TECHNICAL DATA

Performance data

Impact rate at rated speed 0 – 3,600 bpm


Additional data

Rated input power 900 W
Impact energy (according to EPTA 05/2016) 4.2 J
Weight 4.7 kg
Tool holder SDS plus
Rated speed 0 – 800 rpm


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 12.7 m/s²
Uncertainty K 1.5 m/s²


Total vibration values

(Chiseling in concrete)

Vibration emission value ah 11.4 m/s²
Uncertainty K 1.5 m/s²


Hammer drilling in concrete

Vibration emission value ah 12.7 m/s²
Uncertainty K 1.5 m/s²


Chiseling in concrete

Vibration emission value ah 11.4 m/s²
Uncertainty K 1.5 m/s²


The A-rated noise level of the power tool is typically as follows: Sound pressure level 90 dB(A); Sound power level 101 dB(A). Uncertainty K= 3 dB.


GBH 4-32 DFR PROFESSIONAL: FURTHER INFORMATION

Product Highlights

The GBH 4-32 DFR Professional is the most powerful tool within Bosch’s SDS plus corded rotary hammer category. Its 900 W motor delivers an outstanding 4.2 J of impact energy for the fastest chisel removal rates in Bosch’s SDS plus range. The rotary hammer is designed for durability, featuring a robust metal gearbox housing. Its Vibration Control enables effortless and continuous work in time intensive applications.


Equipment & Application

This tool is intended for drilling and chiseling in concrete, masonry, wood, and metal. It is compatible with various dust attachments.




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