Advantages The powerful hammer with fastest drilling progress in its class Fastest drilling progress ? 30% faster than its predecessor High material removal rate ? 50% more impact energy than existing GBH 5-38 D Perfect handling ? well balanced tool for all applications Rated input power* 1,100 W Impact energy* 8.5 J Impact rate at rated speed 1,500 ? 2,900 bpm Rated speed 170 ? 340 rpm Weight 6.8 kg Tool holder SDS max Drilling range Drilling dia. concrete, hammer drill bits* 12 ? 40 mm Drilling dia. concrete, breakthrough drill bits 45 ? 55 mm Drilling diameter in concrete with core cutters 40 ? 90 mm Max. drilling diameter masonry, core cutters 90 mm Max. drilling diameter concrete 40 mm Opt. appl. range concrete, hammer drill bits 18 ? 32 mm Total vibration values (Hammer drilling in concrete) Vibration emission value ah 14 m/s? Uncertainty K 1.5 m/s? Total vibration values (Chiselling) Vibration emission value ah 11.5 m/s? Uncertainty K 1.5 m/s?