Bosch GSB 18V-21 18v Cordless Brushless Combi Drill

The Bosch GSB 18V-21 is an 18V cordless brushless combi drill designed for reliable everyday drilling and screw driving on site.

Part of the Bosch Professional 18V System, this drill delivers 55 Nm of hard torque, making it well suited to a wide range of core tasks including drilling in wood up to 35 mm, steel up to 10 mm, and masonry up to 10 mm via its impact drilling function. The 20+2 torque settings give you precise control when driving screws up to 10 mm in diameter.

Built around a full-metal gearbox and featuring Electronic Cell Protection, the GSB 18V-21 is engineered for durability in demanding daily use. The keyless 13 mm chuck accepts bits from 1.5 mm to 13 mm, and the two-speed gearbox provides flexibility across both low-speed high-torque work and faster drilling applications.

The tool is fully compatible with all Bosch Professional 18V batteries and chargers, making it a practical addition for contractors already within the Bosch Professional ecosystem. An integrated LED light aids visibility in confined spaces, and the reversible left-right rotation is ideal for both driving and removing fixings.

Features and Benefits:
• Full-metal gearbox for durability under sustained professional use
• Electronic Cell Protection safeguards the battery from overload and overheating
• Keyless 13 mm Autolock chuck for fast, tool-free bit changes
• Two-speed gearbox (0–480 / 0–1,800 rpm) for versatile drilling and driving applications
• 20+2 torque settings for accurate screw driving control
• Compatible with all Bosch Professional 18V batteries and chargers
• Integrated LED light for improved visibility in low-light conditions
• Reversible rotation for driving and removing screws

Specifications:
Battery voltage: 18V
Battery type: Lithium-Ion
Torque (soft): 21 Nm
Torque (hard): 55 Nm
Torque settings: 20+2
No-load speed (1st gear): 0–480 rpm
No-load speed (2nd gear): 0–1,800 rpm
Max. impact rate: 27,000 bpm
Chuck capacity: 1.5–13 mm
Max. drilling diameter in wood: 35 mm
Max. drilling diameter in steel: 10 mm
Max. drilling diameter in masonry: 10 mm
Max. screw diameter: 10 mm
Weight (excl. battery): 1.3 kg
Net weight: 2.0 kg
Length: 171 mm
Width: 76 mm
Height: 234 mm
Sound pressure level: 88 dB(A)
Sound power level: 99 dB(A)
Noise uncertainty K: 5 dB
Vibration (drilling in metal): 2.5 m/s²
Vibration (impact drilling in masonry): 11.0 m/s²
Vibration uncertainty K: 1.5 m/s²

Contents:
2 x battery GBA 18V 2.0Ah
L-BOXX 136