Hamerboor Bosch GBH 18V-28 C

The Bosch GBH 18V-28 C Professional cordless rotary hammer combines corded performance with cordless mobility. It features a brushless motor and a proven striking mechanism that produce 3.3 J impact energy. The compact tool (103 mm width, 363 mm depth) weighs 3.3 kg and is part of the Bosch Professional 18V system, compatible with Bosch batteries and chargers as well as AMPShare batteries. The on-tool HMI shows tool status and lets the user select between Auto, Favorite and Soft modes. With the COMO module (GCY 42) installed, the tool can connect to the Bosch Toolbox app to fine-tune settings. Integrated features include Vibration Control, KickBack Control, a storage hook and a LED work light. The GDE 18V-16 dust extraction accessory is compatible for dustless drilling.

Advantages

The brushless motor delivers efficient power and long service life while producing an impact energy of 3.3 J suitable for hammer drilling in concrete, stone and masonry. The HMI provides clear status information and selectable work modes for consistent control. Safety and user protection are supported by Vibration Control and KickBack Control. Compatibility with the Bosch 18V system and AMPShare ensures broad battery options, and the tool supports connection to the Bosch Toolbox app via the COMO module for additional customization.

Suitable for

• Hammer drilling in concrete
• Drilling in stone and masonry
• On-site jobs requiring cordless mobility with cord-like performance
• Applications needing dust extraction with the GDE 18V-16

Key specifications

• Impact energy: 3.3 J
• Impact rate: up to 4,220 bpm
• Maximum drilling diameter in concrete: 28 mm
• Weight: 3.3 kg
• Battery system: Bosch Professional 18V / AMPShare compatible
• Product dimensions: 103 mm (W) x 363 mm (D)

How to use

Select the appropriate SDS-plus drill bit and secure it in the chuck. Choose the required work mode (Auto, Favorite or Soft) using the HMI, set the tool against the material and start drilling. For reduced dust exposure attach the GDE 18V-16 dust extraction accessory. Use KickBack Control and Vibration Control features as intended; follow standard safety practices including eye and ear protection and secure workpiece handling.

Recommendations

Use batteries and chargers from the Bosch Professional 18V system or compatible AMPShare batteries. For extended heavy-duty use choose a battery with suitable capacity. Regularly inspect and maintain the tool, keep ventilation slots clear, and use appropriate drill bits for concrete to achieve optimal performance.