General description The Bosch GBH 18V-22 Hammer Drill is a powerful and versatile tool designed for professional use. Featuring a brushless motor, this SDS-Plus hammer drill delivers high performance and efficiency, making it ideal for various drilling and chiseling applications in concrete, masonry, and other tough materials. Technical specifications Voltage: 18 V Weight: 2.6 kg Impact energy: 2.2 J Impact rate: 0-4,300 bpm Rotation speed: 0-1,300 rpm Tool holder: SDS-Plus Other information