6" Inch Professional Quality Laser Welded Diamond Core Bits For Wet Drilling Concrete and Asphalt, Brick Stone Pavers 

• Designed for fast coring in general purpose concrete with medium aggregate and reinforcement
• "U-Slot Tooth" segments are specially designed for faster coring and long life thanks to the pointed shape and cutout
• For use on hand held core drills and core drill stands
• Designed for wet core drilling only
• 1-1/4"-7 threaded attachment
• 18" core height