Technical Data
Rotary Hammer
Article number
Speed control
Stop rotation
Right/left rotation
Quick change chuck
Rated power input
Impact frequency at rated speed
Impact energy per stroke
Rated speed
Tool holder
Spindle collar diameter
Permissible drilling diameter, max.:
(also see page 23)
– Concrete*
– Brickwork (with core bit)
– Steel
– Wood
Weight according to EPTA-Procedure 01/2003
Protection class
* not suitable with core bit
The values given are valid for nominal voltages [U] of 230/240 V. For lower voltage and models for specific countries,
these values can vary.
Please observe the article number on the type plate of your machine. The trade names of the individual machines
may vary.
Bosch Power Tools
GBH 3-28 DRE
Professional
3 611 B3A 0..
W
-1
min
0–4000
J
0–3.5
-1
min
0–900
SDS-plus
mm
mm
mm
mm
mm
kg
English | 21
GBH 3-28 DFR
Professional
3 611 B4A 0..
–
800
800
0–4000
0–3.5
0–900
SDS-plus
50
28
82
13
30
3.5
/II
1 619 929 E56 | (7.4.09)
50
28
82
13
30
3.6
/II