Details
Technical Data
Additional Data | |
---|---|
Rated input power* | 800W |
Impact energy* | 3.1J |
Impact rate at rated speed | 0 – 4,000bpm |
Rated speed | 0 – 900rpm |
Weight | 3.6kg |
Tool dimensions (length) | 354mm |
Tool dimensions (height) | 233mm |
Tool holder | SDS plus |
Drilling Range | |
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Drilling dia. concrete, hammer drill bits* | 4 – 28mm |
Opt. appl. range concrete, hammer drill bits | 12 – 18mm |
Drilling diameter in concrete with core cutters | 68mm |
Max. drilling diameter masonry, core cutters | 82mm |
Max. drilling diameter in metal | 13mm |
Max. drilling diameter in wood | 30mm |
Total Vibration Values (Hammer Drilling in Concrete) | |
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Vibration emission value ah | 13m/s² |
Uncertainty K | 2m/s² |
Total vibration values (Chiselling) | |
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Vibration emission value ah | 9.5m/s² |
Uncertainty K | 1.5m/s² |
The A-rated noise level of the power tool is typically as follows: Sound pressure level 91 dB(A); Sound power level 102 dB(A). Uncertainty K= 3 dB.

Advantages
Top performance with 20% less vibration
- High drilling rate and 20% higher chiselling power than other rotary hammers in its class
- 20% less vibration than other hammers in its class for more comfortable working due to Bosch Vibration Control
- Quick change chuck for fast changes between drilling with impact in concrete and drilling without impact in wood and metal
Functions
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What’s Included in this Package

in carrying case with accessory set
- Pointed chisel
- SDS plus quick-change chuck
- Quick change chuck 13 mm
- Auxiliary handle
- Carrying case
- Depth stop 210 mm
View more about Bosch GBH 3-28 DFR Professional on main site