GBH 3-28 DFR ROTARY HAMMER
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
Specification
|
Rated input power |
800 W |
Weight |
3.6 kg |
Tool dimensions (width) |
85 mm |
Tool dimensions (length) |
355 mm |
Tool dimensions (height) |
233 mm |
Tool holder |
SDS plus |
Impact energy |
3.1 J |
Impact rate at rated speed |
0 – 4,000 bpm |
Rated speed |
0 – 900 rpm |
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 |
1.5 m/s² |
Uncertainty K |
9.5 m/s² |
Hammer drilling in concrete
|
Vibration emission value ah |
13 m/s² |
Uncertainty K |
2 m/s² |
Chiselling
|
Vibration emission value ah |
1.5 m/s² |
Uncertainty K |
9.5 m/s² |