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Electric hand drill is a drilling tool powered by AC power or DC battery. It is a kind of hand-held electric tools. Hand electric drill is the largest sales of power tools industry products, widely used in construction, decoration, furniture and other industries, used in the object on the opening or piercing objects, some industries are also known as electric hammer. The main components of the hand electric drill: drill chuck, output shaft, gear, rotor, stator, housing, switch and cable. Electric hand drill (pistol drill) - used for drilling metal materials, wood, plastic, etc. When equipped with a positive and negative switch and electronic speed regulating device, it can be used as an electric screwdriver. Some models are equipped with rechargeable batteries

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