MAKITA 8406 110v Diamond core drill – 13mm keyed chuck. Has the following features. Max core diameter: 152mm. The Makita 8406 is a heavy-duty diamond core and percussion drill built for drilling into tough materials like masonry, concrete, and brick. Ideal for electricians, plumbers, and general contractors, it’s designed to handle core drilling up to 152 mm with ease and precision. Dual-mode operation: rotary only for core drilling and rotary with percussion for standard masonry drilling. Powerful 850W motor designed for demanding site conditions. Variable speed control with soft start for accuracy and safety. Safety clutch protects user and tool in case of bit lock-up. Suitable for dry diamond core bits (with standard 1/2 BSP thread). Torque limiter stops rotation if the bit jams, reducing risk of kickback. Input Power: 850 W. No-Load Speed: 0 – 1,500 rpm. Blows per Minute: 0 – 22,500 bpm. Diamond Core: 152 mm. Concrete (with percussion): 20 mm. Chuck Capacity: 13 mm. Weight: 3.5 kg. Cable Length: 2.5 m.