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Bosch Professional GBH 3-28 DFR Corded 240 V Rotary Hammer Drill
This rotary hammer drill has 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
Technical data
Additional data |
Rated input power* |
800 W |
Impact energy* |
3.1 J |
Impact rate at rated speed |
0 – 4,000 bpm |
Rated speed |
0 – 900 rpm |
Weight |
3.6 kg |
Tool dimensions (length) |
354 mm |
Tool dimensions (height) |
233 mm |
Tool holder |
SDS plus |
Drilling range |
Drilling dia. concrete, hammer drill bits* |
4 – 28 mm |
Opt. appl. range concrete, hammer drill bits |
12 – 18 mm |
Drilling diameter in concrete with core cutters |
68 mm |
Max. drilling diameter masonry, core cutters |
82 mm |
Max. drilling diameter in metal |
13 mm |
Max. drilling diameter in wood |
30 mm |
Total vibration values (Hammer drilling in concrete) |
Vibration emission value ah |
13 m/s² |
Uncertainty K |
2 m/s² |
Total vibration values (Chiselling) |
Vibration emission value ah |
9.5 m/s² |
Uncertainty K |
1.5 m/s² |
The A-rated noise level of the power tool is typically as follows: Sound pressure level dB(A); Sound power level dB(A). Uncertainty K= dB.