Diamond coated and designed for all types of tile including porcelain. No water required. Can be used directly onto any angle grinder (M14 thread) or any mains powered drill using M14 Chuck Adaptor. This 32mm Wax Filled Diamond Tile Drill is suitable for use on Porcelain, ceramic tiles & Hard Materials. It can be used on an Angle Grinder or Mains drill with a Hex Adaptor. Even the hardest materials are no match for this Mexco TDXCEL tile holesaw bit. It cuts through porcelain, ceramic and stone tiles cleanly - all without the need for water, thanks to a wax filling that melts, lubricates and cools while drilling. The TDXCEL holesaw bit has an M14 thread for use with angle grinders. It can also be used with a high-speed corded drill, but you'll need the hex adaptor. As well as tiles, it also excels when working with stone worktops and other kitchen or bathroom fittings. No water required - wax filling lubricates bit while cutting. Cleanly cuts porcelain, stone or ceramic tiles. Perfect for work with bathroom or kitchen fittings. Diamond-tipped for a professional finish. Slotted barrel for ease of stock removal and cooling. M14 thread for use with an angle grinder. Hex adaptor required for use with high-speed drill. 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 that 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.