Core Drill Bit, 2.5' Wet/Dry Diamond Core Drill Bits for Brick and Block, Concrete Core Drill Bit with Pilot Bit Adapter and Saw Blade, 9.5'...

Core Drill Bit, 2.5' Wet/Dry Diamond Core Drill Bits for Brick and Block, Concrete Core Drill Bit with Pilot Bit Adapter and Saw Blade, 9.5' Drilling Depth, 5/8'-11 Inner Thread, Laser Welding Type: Other Appliances Width: 2.76