Bosch Professional GSB 18V-45 0615A5002U Professional Impact Driver Set, 850 W, 21/45 Nm, 500–1900 rpm, 4 Ah, 3 batteries, Carrying Case, Blue

The GSB 18V-45 from Bosch’s professional series is a compact and powerful cordless impact driver designed for reliable performance in wood, metal, concrete, and masonry. The brushless motor delivers a maximum torque of 45 Nm and a speed of up to 1,900 rpm, ensuring consistent performance when drilling and driving screws.

The 13 mm metal chuck ensures excellent torque transfer and a long service life, while the compact 174 mm head facilitates work in tight spaces. The model offers 20+1 (and an additional 20+2 from the extended data) torque settings for more precise control.

The tool is part of the Bosch Professional 18V System and is compatible with all 18V batteries, including the AMPShare battery ecosystem. The kit includes three ProCORE18V 4.0Ah batteries, a GAL 18V-40 charger, and an L-CASE system case.

- Maximum power: 850 W
- Power source: Lithium-ion battery
- Voltage: 18 V
- Battery capacity: 4 Ah
- Number of batteries: 3
- Maximum torque: 45 Nm
- Torque (soft/hard): 21/45 Nm
- Maximum speed: 1900 rpm
- No-load speed (1st/2nd gear): 0–500 / 0–1900 rpm
- Maximum impact rate: 27,000 impacts/min
- Chuck: 13 mm, metal
- Chuck range: 1.5 - 13 mm
- Minimum tightening: 1.5 mm
- Torque settings: 20+1 / 20+2
- Maximum drilling diameter in wood: 35 mm
- Maximum drilling diameter in steel: 10 mm
- Maximum drilling diameter in concrete/masonry: 10 mm
- Maximum screw diameter: 8 mm
- Special features:
Hammer function
Brushless motor
Portable design
- Sound power: 97 dB(A)
- Sound pressure: 86 dB(A)
- Vibration (hammer drilling in masonry): 12.2 m/s²
- Vibration (metal drilling): 2.5 m/s²
- Uncertainty K (masonry/metal): 1.5 m/s²
- Total K: 5 dB
- Tool dimensions: 43.4 x 38.6 x 11.2 cm
- Package dimensions: 22.1 x 23.1 x 9.5 cm
- Weight (tool only): 1 kg
- Weight with packaging: 4.8 kg
- Material: Metal
- UN number: UN3481
- Series/System: Bosch 18V / AMPShare
- Color: Blue

The set includes:
- GSB 18V-45
- 3 x ProCORE18V 4.0Ah batteries
- GAL 18V-40 charger
- L-CASE system case