The GSB 18V-21 Professional is a reliable entry-level cordless combi drill with an impact drilling function in Bosch's 18 V class. 55 Nm of torque in hard materials provides the performance needed for basic drilling and screwdriving jobs. The tool's all-metal gearbox and Electronic Cell Protection ensure professional quality for everyday use, making the drill/driver reliable and durable. In addition, the professionally designed 13 mm keyless chuck supports high-quality work. The tool is designed for drilling wood up to a maximum of 35 mm and steel up to 13 mm in diameter, and for screws up to 10 mm in diameter. The impact drilling function also allows masonry work up to 10 mm. It is compatible with all Bosch Professional 18 V batteries and chargers (Professional 18V System).
Key features
- Affordable: Bosch quality at an affordable price!
- Easy to maintain: The motor has replaceable carbon brushes for easy maintenance!
- Long-lasting: Built with a robust housing and battery protection!
Technical data
- Torque (soft/hard/max): 21/55/- Nm
- No-load speed (1st gear / 2nd gear): 0 – 480 / 0 – 1.800 rpm
- Battery type: Lithium-ion
- Max. impact rate: 27 000 min-1
- Chuck capacity, min./max.: 1,5 / 13 mm
- Battery voltage: 18,0 V
- Weight without battery: 1,3 kg
- Torque settings: 20+2
- Packaging dimensions (width × length × height): 360 x 441 x 155 mm
- Vibration ah: 2,5 m/s²
- Uncertainty K: 1,5 m/s²
Scope of delivery
- Fast charger GAL 18V-40 Professional Order number: 1 600 A01 9RJ
- 2 × GBA 18V 2,0Ah battery Order number: 1 600 Z00 036



