Description
Bosch 3-28 DFR Rotary Hammer with SDS-Plus
Advantages
Top performance with low vibration
High drilling rate and 20% higher chiselling performance than other rotary hammers in its class
Quick-change chuck for fast changes between drilling with impact in concrete and drilling without impact in wood and metal
Rotation stop for chiselling
Rotating brush plate for equal power in forward and reverse rotation
Low vibration (only 13 m/sý) for more comfortable working due to Bosch Vibration Control
Balanced weight distribution due to L-shaped design for more comfortable working
Ball grommet for preventing cable breaks
Technical data
Rated input power*
800W
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/s
Uncertainty K
2 m/s
Total vibration values (Chiselling)
Vibration emission value ah
9.5 m/s
Uncertainty K
1.5 m/s
* Highlighted Data
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.
Impact stop for drilling in wood and metal.
User Manual more details here
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