The Bosch GSB 120 Kit Professional is a 12 V cordless impact drill driver with a 10 mm chuck. It can be used for both screwdriving and drilling, including impact drilling in masonry.
It has a two-speed gearbox and 20+2 torque settings. Electronic Cell Protection helps extend battery life and durability. An LED light helps the user see while drilling, and the tool has an auto-lock feature.
The kit includes two 12 V 2.0 Ah batteries, a charger, a carrying case, and a 23-piece drilling and screwdriving bit set with a holder.
- Voltage
- 12 V
- Battery type
- Lithium-ion
- Torque
- 14 Nm (soft), 30 Nm (hard)
- Torque settings
- 20+2
- No-load speed
- 0–400 rpm (1st gear), 0–1,500 rpm (2nd gear)
- Max. impact rate
- 22,500 bpm
- Chuck capacity
- 0.8 mm min., 10 mm max.
- Max. screw diameter
- 8 mm
- Max. drilling diameter
- 20 mm in wood, 10 mm in steel, 8 mm in masonry
- Weight
- 0.9 kg without battery
- Vibration (metal drilling)
- 1.4 m/s², uncertainty K 1.5 m/s²
- Vibration (impact drilling)
- 10.2 m/s² in masonry, uncertainty K 1.5 m/s²
- Vibration (screwdriving)
- 0.8 m/s², uncertainty K 1.5 m/s²
- Sound levels