VEVOR - Core Drill Bit, 2" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 - Black

This specialized diamond core drill bit utilizes high-frequency laser welding technology, providing fast and clean drilling. The 1-1/4"-7 universal thread makes it an ideal choice for versatile machines used on reinforced concrete, red bricks, concrete, foam bricks, and more.