Exceptional value professional 9"" (230mm) diamond cutting blade with 22.2mm bore and a thickness of 2mm. This general purpose diamond saw blade is suitable for cutting a wide variety of bricks and a range of concrete products. Can be used for both wet and dry cutting. General Purpose - Cured Concrete Tiles Stone, Medium Hard Brick and Masonry Materials. Dry Cutting Depth . 80mm. Bore size . 22mm. Speed . 6600 rpm.