Faithfull Diamond Core Drill Kit & Case Set of 11 FAIDCKIT11 | Diamond Core Drill 38mm to 157mm Diameters Our range features 38mm to 178mm diameters, all with 150mm length. 1/2in BSP Threaded Core Faithfull Diamond Dry Core Bits offer a professional quality 1/2in BSP threaded core. The 'V' groove segments assist in clearing debris when in use. Masonry Core Drill Bits OX Maestro Diamond Core Drill Kit 3 Cores - Screwfix 1/2 Inch BSP Thread Turbo Segments For Concrete Masonry Kit contains: 38mm Core bit; 52mm Core bit; 65mm Core bit; 117mm Core bit; 127mm Core bit. A-taper pilot drill 10 x 200mm; SDS-plus extension adaptor 10 x 240mm... Available in different sizes and types including twist, masonry, and spade 8mm Diamond Segments Manufactured to offer exceptional wear and speed of cut. Spectrum MBD5 Metal 5 Core and Accessories Case | Diamond Core Drill A robust case give a good storage solution to keep the cores in prime condition.