Industrial Grade Core Drill: Experience superior performance with the KSEIBI core drill bit, engineered to offer industrial-level efficiency for your concrete and masonry drilling tasks. 2-1/4 Inch Core Bit for Concrete: This 2.25 inch core bit is optimized for wet drilling, making it an ideal choice for concrete, masonry, walls, bricks, and block applications. Drilling Depth: Get the job done with a 16" drilling depth, allowing you to reach deeper into your workpiece for more comprehensive drilling operations. Arbor: The 1-1/4"-7 arbor ensures compatibility with a variety of drilling machines. This feature also ensures a stable and secure attachment of the core drill bit during operation. Diamond Core Drill Bit: Equipped with a diamond core bit, this tool guarantees efficient and smooth drilling. The diamond core bit offers superior durability and resilience, even when used on hard materials. B0C81F1KSN