Mexco 18mm M14 Porcelain Dry Diamond Tile Drill Bit Holesaw TDXCEL18 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. Key Features:M14 universal thread for use with Angle GrindersNo water required wax lubricated and cooledDiamond tipped for a professional finish Applications:Bathroom FittingsKitchen FittingsPorcelainCeramic TilesStone TilesStone Worktops Product Specification:Barcode: 5060093862102Part No : TDXCEL18Brand: MexcoDry / Wet: DryGrade: XCELDiameter: 18mmBarrel Type: Wax FilledFitment: M14 FitRecommended Tool: Angle Grinder, Corded Drill (High Speed) – M14 to Hex adaptor required