VEVOR - Core Drill Bit, 4.25" Wet/Dry Diamond Core Drill Bits for Brick and Block, Concrete Core Drill Bit - Black

This specialized diamond core drill bit includes a directional drill and a saw blade. It utilizes high-frequency laser welding technology, providing fast and clean drilling. The 5/8"-11 universal thread makes it an ideal choice for versatile machines used on hard concrete and bricks.