General description New motor provides improved performance in applications with dry core bits up to 127mm in bricks or soft masonry. The Dewalt D21570K Dry Diamond Core Drill features electronics that offer e-clutch, power-up, and overload protection. It includes a two-speed gearbox for increased versatility when drilling in wood, metal, and concrete with standard drill bits. The electro-mechanical clutch enhances user control and protection, while the heavy-duty 16mm steel chuck allows for quick bit changes and excellent bit retention. An innovative mode selection collar enables intuitive control for optimal performance. Technical specifications Voltage: 240V Maximum dry core bit size: 127mm Chuck size: 16mm Compatibility and accessories The Dewalt Diamond Core Drill is trade quality and fully compatible with Makita, Dewalt, Bosch, and Milwaukee core drills. It includes a 10-piece BAP Trade Pro Diamond Core Set, which is suitable for cutting granite, marble, limestone, slate, hard