Description
Top performance with 20% less vibration
- High drilling rate and 20% higher chiselling power than other rotary hammers in its class
- 20% less vibration than other hammers in its class 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.
TECHNICAL DATA
Performance data |
|
|---|---|
| Impact rate at rated speed | 0 – 4,000 bpm |
| Rated speed | 0 – 900 rpm |
Additional data |
|
|---|---|
| Rated input power | 800 W |
| Impact energy (according to EPTA 05/2016) | 3.1 J |
| Voltage, electrical | 230 V |
| Weight | 3.5 kg |
| 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 |
| 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 | 14.5 m/s² |
| Uncertainty K | 1.5 m/s² |
Total vibration values (Chiselling in concrete) |
|
|---|---|
| Vibration emission value ah | 9.7 m/s² |
| Uncertainty K | 1.5 m/s² |
Hammer drilling in concrete |
|
|---|---|
| Vibration emission value ah | 14.5 m/s² |
| Uncertainty K | 1.5 m/s² |
Chiselling in concrete |
|
|---|---|
| Vibration emission value ah | 9.7 m/s² |
| Uncertainty K | 1.5 m/s² |
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.
GBH 3-28 DRE PROFESSIONAL: FURTHER INFORMATION
Product Highlights
The GBH 3-28 DFR Professional is the most versatile tool in Bosch’s SDS plus corded rotary hammer category. Its compact housing enables multiple applications in narrow and tight workspaces. Designed for convenience, its L-shaped design provides a balanced weight distribution, while its Vibration Control allows effortless continuous work. It also features a high power-to-weight ratio, with an 800 W motor and a tool weight of only 3.6 kg.
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