GBH 3-28 DFR Professional Rotary hammer with SDS-plus
Top performance with low vibration
- High drilling rate and 20% higher chiselling performance than other rotary hammers in its class
- Low vibration (only 12 m/s²) 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
- Balanced weight distribution due to L-shaped design for more comfortable working
- Rotation stop for chiselling
- Ball grommet for preventing cable breaks
- Rotating brush plate for equal power in forward and reverse rotation
- Impact stop for drilling in wood and metal
Features

SDS-plus toolholder
Optimum power transfer. For Rotary Hammers in the 2 – 4kg class.

Overload clutch

Electronic
Speed preselection for adjusting to suit any application.

Vibration Control
Patented vibration damping system.
| Drilling range | |
|---|---|
| Drilling diameter in concrete with hammer drill bits | 4 – 28 mm |
| Optimum range of applications in concrete with hammer drill bits | 12 – 18 mm |
| Max. drilling diameter in masonry with core cutters | 82 mm |
| Max. drilling diameter in steel | 13 mm |
| Max. drilling diameter in wood | 30 mm |
Specifications
| Product Model | |
|---|---|
| Rated power input | 800 W |
| Max. impact energy | 3,1 J |
| Impact rate at rated speed | 0 – 4.000 bpm |
| Rated speed | 0 – 900 rpm |
| Weight | 3,6 kg |
| Length | 354 mm |
| Height | 233 mm |
| Toolholder | SDS-plus |
| Noise/vibration information | Measured values determined according to EN 60745. Total vibration values (vector sum of three directions) |
| Vibration emission value ah | 12.0 m/s² |
| Uncertainty K | 1.5 m/s² |
| Sizes | |
| Classification |








