Superior Laser-Welded Design Diamond Core Drill Bit: Features advanced laser-welded diamond segments for enhanced durability and faster drilling through tough materials. Core Drill Bits for Multi-Material Application: Perfect for drilling through concrete, brick, block, stone, masonry, marble, and more, making it ideal for various construction and installation tasks. Enhanced Performance in Concrete Drilling: The bit's premium diamond grits and aluminum alloy core ensure smooth, efficient, and precise drilling. Chip Removal Slots between Diamond Segments: Equipped with specially designed chip removal slots to prevent clogging and maintain smooth operation. Standard Compatibility: The 1-1/4"-7 thread works with most standard core drill rigs, offering versatility and ease of use.