Bosch Rotary Hammer GBH 2-28 DV

Advantages: GBH 2-28 DV Professional

The most powerful tool in its class

Highest drilling rate and highest chiselling performance in its class

25% longer lifetime than other rotary hammers in its class for more efficiency

27% less vibration than the predecessor model due to active vibration damping

Rotation stop for chiselling

Ball grommet for preventing cable breaks

Rotating brush plate for equal power in forward and reverse rotation

Overload clutch to protect the user and the machine

Forward/reverse rotation for dislodging jammed drill bits

Continuously variable speed control for clean drilling starts

Technical data: GBH 2-28 DV Professional

Drilling range

Rated power input 850 W

Max. impact energy 3,2 J

Impact rate at rated speed 0 ? 4.000 bpm

Rated speed 0 ? 900 rpm

Weight 2,9 kg

Length 379 mm

Height 216 mm

Toolholder SDS-plus

Drilling diameter in concrete with hammer drill bits 4 ? 28 mm

Optimum range of applications in concrete with hammer drill bits 8 ? 16 mm

Drilling diameter in concrete with core cutters 68 mm

Max. drilling diameter in masonry with core cutters 68 mm

Max. drilling diameter in steel 13 mm

Max. drilling diameter in wood 30 mm

Functions

• Forward/reverse operation


• Electronic


• Overload clutch


• Noise/vibration information


• Measured values determined according to EN 60745.


• Total vibration values (vector sum of three directions)


• Hammer drilling in concrete


• Vibration emission value ah 11.0 m/s²


• Uncertainty K 1.5 m/s²


• Chiselling


• Vibration emission value ah 11.0 m/s²


• Uncertainty K

Complete with: GBH 2-28 DV Professional

Auxiliary handle

Carrying case

Depth stop 210 mm