Bosch Rotary Hammer GBH 2-28 DFV
- 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
- Toolholder: SDS-plus
- Drilling diameter (concrete, hammer drill bits): 4 – 28 mm
- Optimum range (concrete, hammer drill bits): 8 – 16 mm
- Drilling diameter (concrete, core cutters): 68 mm
- Max. drilling diameter:
- Masonry (core cutters): 68 mm
- Steel: 13 mm
- Wood: 30 mm
- Dimensions (L × H): 402 × 216 mm
- Weight: 3.1 kg (without cables and accessories)