General description The Makita DHR171Z is an 18V cordless brushless SDS Plus rotary hammer drill designed for efficient drilling in various materials. It features a compact and lightweight design, making it easy to handle for extended periods. Technical specifications Voltage: 18 V Capacity in Concrete: 17 mm Capacity in Steel: 10 mm Capacity in Wood: 13 mm Impact Energy: 1.2 J Shank: SDS PLUS Impacts per Minute: 0 - 4,800 ipm Noise Sound Pressure: 86 dB(A) Noise Sound Power: 97 dB(A) Noise K Factor: 3 dB(A) No Load Speed: 0 - 680 rpm Vibration K Factor: 1.5 m/sec² Vibration (Hammer Drilling): 9.0 m/sec² Vibration (Drilling into Metal): 2.5 m/sec² Net Weight: 2.8 kg Other information Battery, charger, and case not included Standard equipment includes body only machine, side handle, and depth stop