Bosch GGS 18V-20 Professional angle grinder 1.2 kg

The Bosch GGS 18V-20 Professional is a cordless angle grinder driven by a brushless motor optimised for ProCORE 18V battery technology. It delivers cordless performance comparable to a 700 W corded grinder while remaining compact and lightweight at 310 mm length and 1.2 kg, with a small grip circumference for comfortable handling and use in overhead applications. The tool includes overload protection and restart protection for safer operation and extended service life.

Advantages

The brushless motor provides higher efficiency and reduced wear, while optimisation for ProCORE 18V batteries ensures sustained power output. Its compact size and low weight improve maneuverability and reduce user fatigue during extended use. Integrated overload protection and restart protection enhance durability and safety.

Suitable for

• Grinding and shaping metal surfaces
• Work in confined spaces and overhead grinding
• Mobile jobsites where cordless operation is required

Key specifications

• Power source: 18 V battery (compatible with Bosch 18V batteries, except ProCORE 18V 12.0 Ah)
• Motor type: Brushless
• Equivalent corded performance: comparable to 700 W grinder
• Length: 310 mm
• Weight: 1.2 kg
• Sound power level: 86 dB
• Safety features: overload protection, restart protection

How to use

Fit a suitable high-quality grinding stone according to the material and task, mount a compatible Bosch 18V battery (avoid ProCORE 18V 12.0 Ah), and secure the battery in place. Hold the grinder with a firm grip and position the disc on the workpiece before switching on. Apply steady, even pressure and move the tool along the work surface; avoid excessive force. After use, switch the tool off, wait for the disc to stop, remove the battery for storage or charging, and inspect the grinding stone for wear.

Recommendations

Use appropriate personal protective equipment such as eye protection, hearing protection, and gloves. Select grinding stones rated for metal and maintain correct disc speed and pressure to ensure safe, effective results.