General description The BOSCH GBH 18V-21 Professional SDS+ Rotary Hammer Drill is a powerful and versatile tool designed for various applications. It features a robust impact system delivering 2.0 J of impact energy and operates in three modes: drilling, hammer drilling, and chiseling. The efficient brushless motor enhances runtime per battery charge, reducing maintenance needs and increasing the tool's longevity. Technical specifications Voltage: 18 V Impact Energy: 2 J Impact Rate at Rated Speed: 0 - 5,100 bpm Rated Speed: 0 - 1,800 rpm Drilling Diameter in Concrete with Hammer Drill Bits: 4 - 21 mm Optimal Range in Concrete with Hammer Drill Bits: 6 - 10 mm Max. Drilling Diameter in Metal: 13 mm Max. Drilling Diameter in Wood: 30 mm Tool Holder: SDS+ Plus Tool Length: 325 mm Weight: 2.4 kg Compatibility and accessories Compatible with all 18 V Bosch batteries Fully compatible with the GDE 16 plus dust attachment Other information This product comes as body only; battery, charger,