DURO 127 X 450mm WET CORE BITLarge Diameter Segmented Wet Diamond Core Drill Wet diamond core drill for hand held and rig mounted use in a wide range of construction applications including heavily reinforced and non reinforced concrete plus hard brick and block. Extreme life and speed of cut. HEAVILY REINFORCED CONCRETE SEGMENTED LARGE DIAMETER WET DIAMOND CORE DRILLS MAXIMUM DRILLING SPEED AND EXCEPTIONAL LIFE 12MM K ROOF SEGMENTS TURBO DESIGN SEGMENTS LASER WELDED SHORTER