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Functions & key features
Top performance with intelligent KickBack Control
- Best performance in its class with improved power
- Increased user protection with KickBack Control (KBC) in order to minimise the risk of injury
- Active vibration damping with counter oscillator for minimal vibration levels
TECHNICAL DATA
Performance data |
|
| Impact rate at rated speed | 0 – 4,000 bpm |
| Rated speed | 0 – 900 rpm |
Additional data |
|
| Rated input power | 880 W |
| Impact energy (according to EPTA 05/2016) | 3.2 J |
| Weight | 2.9 kg |
| Tool holder | SDS plus |
Drilling range |
|
| Drilling dia. concrete, hammer drill bits | 4 – 28 mm |
| Opt. appl. range concrete, hammer drill bits | 8 – 16 mm |
| Max. drilling diameter masonry, core cutters | 68 mm |
| Max. drilling diameter in metal | 13 mm |
| Max. drilling diameter in wood | 30 mm |
| Drilling diameter in concrete with core cutters | 68 mm |
Total vibration values(Hammer drilling in concrete) |
|
| Vibration emission value ah | 11 m/s² |
| Uncertainty K | 1.5 m/s² |
Total vibration values (Chiselling in concrete) |
|
| Vibration emission value ah | 8.1 m/s² |
| Uncertainty K | 1.5 m/s² |
Hammer drilling in concrete |
|
| Vibration emission value ah | 11 m/s² |
| Uncertainty K | 1.5 m/s² |
Chiseling in concrete |
|
| Vibration emission value ah | 8.1 m/s² |
| Uncertainty K | 1.5 m/s² |
The A-rated noise level of the power tool is typically as follows: Sound pressure level 89 dB(A); Sound power level 100 dB(A). Uncertainty K= 3 dB.
GBH 2-28 PROFESSIONAL: FURTHER INFORMATION
Product Highlights
The GBH 2-28 Professional is the strongest tool within the Bosch 2 kg SDS plus corded rotary hammer category. Its robust motor delivers an outstanding 3.2 J of impact energy for high-power drilling performance. The rotary hammer also features KickBack Control for increased user protection and Vibration Control for effortless and continuous work in time-intensive applications.
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