Bosch ONECHUCK: Versatile Performance

The Bosch ONECHUCK feature, integrated into the GBH 187-LI and GBH 18V-18 X Professional cordless rotary hammers, redefines versatility by allowing seamless use of SDS-plus, cylindrical, and hex drill bits in a single chuck. This innovative system eliminates the need for multiple chucks or adapters, making these tools ideal for professionals working on concrete, wood, and metal.

Key Benefits of ONECHUCK

• Unmatched Versatility: Supports hammer drilling in concrete (4–24 mm for GBH 187-LI, up to 18 mm for GBH 18V-18 X), chiseling in masonry, and drilling in wood and steel.
• Time-Saving Efficiency: Tool-free bit changes minimize downtime. The GBH 187-LI delivers fast drilling speeds, while the GBH 18V-18 X achieves up to 50 holes per 2.0 Ah battery charge.
• User-Friendly Design: Intuitive bit swaps and ergonomic L-shape design ensure comfort, with the GBH 18V-18 X excelling in confined spaces.
• Enhanced Safety: Features KickBack Control and Vibration Control for safer, fatigue-free operation.

Technical Specifications

• Battery Voltage: 18.0 V (both models)
• Impact Energy: Up to 2.4 J (GBH 187-LI), 1.7 J (GBH 18V-18 X)
• Applications: Hammer drilling and chiseling in concrete/bricks, drilling in wood/steel
• Drilling Diameter in Concrete: 4–24 mm (GBH 187-LI), up to 18 mm (GBH 18V-18 X)

Why ONECHUCK?

The ONECHUCK system in the GBH 187-LI and GBH 18V-18 X offers unmatched adaptability and efficiency. Whether tackling heavy-duty tasks or working in tight spaces, professionals benefit from a single tool that handles diverse tasks with precision and speed.