The MEXCO Diamond Tile Drill Bit Range offers maximum performance and cost per cut when drilling the hardest of man-made and natural decorative materials. No water is required due to a special wax filled core melts, lubricates and cools when drilling. Supplied to fit M14 thread Angle Grinders although an M14 to Hex adaptor can be used with a High Speed Drill. Suitable for dry cutting.Select Option 10mm110mm12mm14mm18mm20mm25mm32mm35mm38mm45mm50mm60mm68mm6mm75mm7mm82mm8mm91mmSet (6-10mm) Add to Basket Quantity