Diamond Products Wet Diamond Core Bit 09989 1 1 2 Inch Star Blue (13 Inch Standard Depth 5 8 Inch Hub Thread Concrete Drilling) Nailers Kraftform pistol handle for particularly Kraftform pistol handle for particularly high torque transfer 120V AC DC Power Flexibility: Operates efficiently on standard 15A 20A electrical branch circuits or portable 2 5 Inches Drilling Depth 13 Inches Hub Thread Size 5 8 Inch 11 UNC Bond Type BOL General Purpose Application Type Wet Coring Motor Compatibility Mounted Rigs and Handheld (3" and under) Recommended Materials Cured Concrete and Hard Masonry Pro Tip: To significantly extend the lifespan of the diamond segments and prevent core binding it integrates seamlessly with professional core rigs and handheld motors to ensure clean through holes without the need for secondary patching