The Bosch GBR 18V-15 S is an 18V cordless concrete grinder designed for dry grinding, deburring and smoothing on a range of mineral-based substrates including concrete, stone, screed and marble. Powered by a brushless motor, this 125mm concrete grinder delivers strong removal rates without the need for a mains connection — making it well suited to site work where cable access is restricted or impractical. Speed selection via HMI allows the operator to match output to the material and task, ensuring consistent, professional results across applications. The tool is designed with practical access and control in mind. A rotatable auxiliary handle improves reach in tight spaces, while a movable guard element enables accurate flush grinding close to edges and surfaces. Safety features including KickBack Control, a Brake System and Drop Control help protect the user during operation. The GBR 18V-15 S is also suitable for removing adhesive residue and protective coatings from mineral-based substrates. Seamless dust extraction is provided via the Click&Clean interface, compatible with conventional dust extractors — a practical consideration for COSHH compliance on site. The tool supports Bosch Professional 18V System batteries and is also compatible with the multi-brand AMPShare battery alliance. Soft start and restart protection round out the specification for a tool built to perform consistently on demanding jobs. Features and Benefits: • Brushless motor delivers excellent material removal rates • Rotatable auxiliary handle for improved access in confined areas • Movable guard element enables accurate flush grinding at edges • Variable speed via HMI for control across different materials • KickBack Control, Brake System and Drop Control for enhanced user safety • Click&Clean dust extraction interface for cleaner working and site compliance • Compatible with Bosch Professional 18V System and AMPShare multi-brand batteries • Soft start and restart protection for controlled,

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