DeWalt D21570K-GB 127mm 2 Speed Dry Diamond Drill 240V 1300W. The DeWalt D21570K diamond drill has a new top of the range motor which provides improved performance in applications with dry core bits up to 127mm in bricks or soft masonry. The drill features a 2-speed gearbox for increased versatility when drilling in wood, metal and concrete with standard drill bits. The D21570K also features an E-Clutch that provides the user with both bind-up and overload protection to give increased protection and control when operating. A heavy-duty 16mm steel chuck offers excellent bit retention and allows for quick bit change giving you more control when using the drill. An innovative mode selection collar allows for more intuitive control and provides you with optimal performance. With a multi-position side handle a wide range of dry diamond drill applications can be tackled with ease. New top of the range motor. Improved performance in applications with dry core bits up to 127mm in bricks or soft masonry. 2-speed gearbox for increased versatility when drilling in wood, metal and concrete with standard drill bits. E-Clutch that provides the user with both bind-up and overload protection. Heavy-duty 16mm steel chuck. Mode selection collar allows for more intuitive control and provides you with optimal performance. Collar Diameter: 43 mm. Drilling Capacity (Masonry): 127mm. Drilling Capacity (Concrete): 22mm. No Load Speed: 0-1250 / 0-3500rpm. Hand/Arm Vibration – Diamond Drill: 16 m/s². Uncertainty K 1 (Vibration): 3 m/s². Hand/Arm Vibration – Drilling: 16 m/s². Uncertainty K 2 (Vibration): 4.6 m/s². Sound Pressure: 93 dB(A). Sound Pressure Uncertainty: 3 dB(A). Sound Power: 104 dB(A). Sound Power Uncertainty: 3 dB(A). Spindle Thread: 1/2 X 20 U. 1 x DeWalt D21570K 127mm 2 Speed Dry Diamond Drill 240V 1300W. 1 x Depth Stop. 1 x Heavy Duty Carrying Case. 1 x Multi-Position side handle.