| Chiseling | Y |
| Chuck type | SDS Plus |
| Reverse | Y |
| Adjustable speed | Y |
| Soft grip | Y |
| Product colour | Black, Blue |
| Drilling diameter in concrete (max) | 6.8 cm |
| Rated speed (max) | 900 RPM |
| Impact energy (max) | 3.2 J |
| Impact rate | 4000 bpm |
| Drilling diameter in steel (max) | 1.3 cm |
| Drilling diameter in wood (max) | 3 cm |
| Vibration level (hammer drilling) | 11.5 m/s² |
| Vibration level (chiselling) | 11 m/s² |
| Vibration level uncertainty (chiselling) | 1.5 m/s² |
| Power source | AC |
| Input power | 880 W |
| Cord length | 4 m |
| Weight | 2.9 kg |
| Depth | 379 mm |
| Height | 216 mm |
| Carrying case | Y |
| Uncertainty coefficient (concrete) | 1.5 m/s² |
| Description |
| Bosch GBH 2-28 Professional. Chuck type: SDS Plus, Product colour: Black, Blue. Drilling diameter in concrete (max): 6.8 cm, Rated speed (max): 900 RPM, Impact energy (max): 3.2 J. Power source: AC, Input power: 880 W, Cord length: 4 m. Weight: 2.9 kg, Depth: 379 mm, Height: 216 mm. Uncertainty coefficient (concrete): 1.5 m/s² |