Makita 8406 240v 13mm Diamond Core Hammer Drill. The Makita 240v 13mm Diamond Core has a heavy-duty construction that is ideal for site work. It has a torque limiter to prevent operator injury if the core bit snags, making for an excellent tool for plumbers, electricians, general contractors, and hirers. More, this drill features rotary action for dry diamond core drilling. Percussion action for drilling pilot hole. Rotary action for dry diamond core drilling. Max in masonry: 20 mm. Input wattage: 850 w. Blows per minute: 0 -22500 bpm. Max in steel: 13 mm. Max in wood: 30 mm. Vibration drilling: 2.5 m/sec². Vibration hammer drilling: 9.5 m/sec². Max dry diamond core: 152 mm. No load speed: 0 – 1500 rpm. Vibration K factor: 1.5 m/sec². Noise sound power: 105 dB(A). Noise sound pressure: 94 dB(A). Noise K factor: 3 dB(A). 1 x 240v 13mm Diamond Core and Hammer Drill. 1 x Chuck key. 1 x Side handle. 1 x Carry case.