Bosch Professional GSB 18V-55 - 55 Nm and 1,800 RPM

Bosch Professional GSB 18V-55 is a cordless combi drill built around an 18 V lithium-ion battery system. Its brushless motor, two-speed gearbox, and 55 Nm of hard torque place it in the mid-range professional drill-driver class.

Core Specifications and Capacity

The exact L-BOXX 136 configuration carries Bosch order number 0.601.9H5.303. Bosch lists 55 Nm of hard torque, 28 Nm of soft torque, and 20+2 torque settings.

The two-speed gearbox runs from 0-460 RPM in first gear and 0-1,800 RPM in second gear. The keyless metal chuck accepts bits from 1.5 to 13 mm, while the bare tool weighs 1 kg without its battery.

Drilling Modes and Battery System

Bosch rates the drill for holes up to 35 mm in wood, 13 mm in steel, and 10 mm in masonry. The same technical listing specifies an LED light, Autolock, Electronic Cell Protection, Electronic Motor Protection, and right-left rotation.

The tool works with Bosch Professional 18 V batteries, including ProCORE18V batteries and chargers. Bosch also identifies compatibility with AMPShare, the multi-brand battery alliance, which broadens battery-system use beyond Bosch-branded tools.

Configuration and Market Context

The documented package includes an L-BOXX 136 and a molded tool insert. Bosch also lists separate configurations with a cardboard box or with two batteries and a charger, so the order number matters when comparing contents.

The British Bosch Professional listing gives the GSB 18V-55 a price of £197.31 including VAT for one configuration, while the German listing shows an MSRP of 215.00 EUR excluding VAT for order number 0.601.9H5.303. Those figures describe European market configurations rather than a US-dollar retail price.

Compared with a basic cordless drill, the GSB 18V-55 adds impact drilling, a metal chuck, and a brushless motor. Its 10 mm masonry capacity is narrower than its 35 mm wood capacity, which places the tool closer to general trade drilling than heavy concrete work.

Who the GSB 18V-55 Fits

The model suits users already equipped with Bosch Professional 18 V batteries who need one tool for screwdriving, standard drilling, and occasional masonry work. The 1 kg bare-tool weight keeps the body manageable before the battery is attached.

Its limits are equally specific. The listed 10 mm masonry capacity and 55 Nm hard-torque rating describe a compact combi drill, not a rotary hammer or a high-torque impact wrench.

Product Placement and Verdict

The Bosch Professional GSB 18V-55 occupies the practical middle of the cordless combi-drill category. It combines a 13 mm metal chuck, brushless drive, two speeds, and compatibility with Bosch's 18 V platform in a 1 kg bare tool.

For Bosch 18 V users handling wood, steel, screwdriving, and light masonry, its specification set is coherent. Users focused on repeated heavy concrete drilling need a different tool class, while buyers outside the Bosch battery ecosystem must account for the battery and charger configuration.