Marcrist DCU650 Diamond Universal Dry Core Drill Head Piece 117mm x 165mm
Professional core bit for drilling a variety of construction materials. Extremely fast cutting speed, long operational life. Rooftop segment for easy and quiet start. Dynamically-balanced unslotted barrel for low vibration. Can be used with or without dust extraction unit.1/2" Thread Wet & Dry Use Steel Unslotted Solid Barrel for Low Vibration For Use with SDS Plus or 3-Jaw Chuck Machines on Rotary Action8mm Diamond Segments Fast & Easy Drilling comes exactly as on picture thanks for sharing and buying