Home Arts & Crafts. NEW Electric Concrete Core Drill Machine Water Source Diamond Core Drill Machine. 160mm Diamond Drill With Water Source (hand-held) 1800w. Note: this item is not support 110V. The machine do not include any drill bits, you need to prepare by yourself. Features: Diamond drill with water source is used for the punch and engineering samples in the construction and installation, municipal engineering, strengthening works, gas, heating, ventilation, chemical pipe laying, installation of air-condition equipment, and the construction of roads and bridges guardrail. 1800 w power motors, resistance to overload ability. Built-in mechanical safety clutch and electronic overload protector, dual protection. Can rotate 360 degrees to the side handle, adapt to more applications. Diamond Core Drill Machine. Package Included: 1x Diamond Core Drill Machine One Set of Accessories. International Buyers Please Note. China to United States, by ePacket. China to Other Countries, by. China Post Registered Parcel.