General description Best in class vibration at 6.6 m/s² reduces user fatigue and maximizes operating periods. The DeWALT DCH253N Cordless 18V XR SDS Plus Rotary Hammer Drill is ideal for drilling anchors and fixing holes into concrete, brick, and masonry from 4mm to 24mm. It features a rotation stop mode for light chiseling in plaster, tiles, and render, along with a bright white LED with a delay feature that improves visibility and provides flashlight functionality. Technical specifications Tool Holder: SDS-Plus Voltage: 18 V Power Output: 400 Watt Impact energy (EPTA 05/2009): 2.1 J No Load Speed: 0-1200 rpm Blows per Minute: 0-4500 bpm Max. Drilling Capacity [Concrete]: 24 mm Max. Drilling Capacity [Wood]: 26 mm Max. Drilling Capacity [Metal]: 13 mm Weight: 2.5 kg Length: 301 mm Height: 202 mm Width: 85 mm Hand/Arm Vibration - Hammer drilling into concrete: 6.6 m/s² Uncertainty K 1 (Vibration): 1.5 m/s² Hand/Arm Vibration – Chiseling: 5.4 m/s² Uncertainty K 2 (Vibration): 1.5 m/s²