5-Piece Diamond Core Drill Bit Set | M14 Shank for Porcelain, Tile & Granite | Angle Grinder Attachment

Engineered for precision and speed, this M14 dry diamond core drill bit set delivers professional-grade hole cutting in hard materials. The 5-piece set features a universal M14 thread for direct angle grinder attachment, enabling fast, clean cuts in porcelain, marble, and granite without water cooling. Experience reduced chipping and extended bit life with every use. Features and Benefits - Premium Diamond Grit Segments - Aggressive cutting surface provides faster penetration and smoother holes with minimal edge chipping on delicate tiles. - Universal M14 Thread Connection - Directly mounts to most standard angle grinders for immediate use without additional adapters. - Dry-Cut Design - Engineered for clean, efficient drilling without the need for water cooling, offering greater job site flexibility. - 5-Piece Size Range (Common Sizes) - Versatile set covers the most frequently needed diameters for plumbing and electrical installations. - Reinforced Steel Core Body - Ensures stability and durability during high-RPM operation, preventing wobble and breakage. Applications - Plumbing Installations - Create precise holes for shower valves, faucet lines, and toilet fittings in tiled walls. - Electrical Work - Drill clean openings for outlet boxes, light fixtures, and conduit in stone backsplashes or countertops. - HVAC and General Construction - Install ventilation ducts, piping, and hardware through granite, marble, or porcelain surfaces. - DIY Home Renovation - Perfect for bathroom remodels, kitchen upgrades, or custom tile work requiring professional results. Note For optimal performance and bit longevity, use a steady hand and allow the diamond grit to do the work, avoiding excessive pressure. Always wear appropriate safety gear including eye protection and a dust mask when operating.