Description of Toolocity ABCCD0300P Diamond Concrete Thread
9" tube length, 10" overall length. 7.5mm segment height. Laser welded turbo style diamond segments. Hard bond drilling concrete and masonary blocks, bricks with long life. Can be used dry or wet.
Very good product. For decoring 50 year old concrete. Works very well, but it is recommended to use with water to prolong the life of the bit. The only downside is that it's a bit pricey for a bit.
Pros
Hard bond for drilling in concrete and masonry, durable bricks