Diamond Core Drill Bit Set | 9-Piece for Granite, Tile & Stone | Angle Grinder Compatible

Engineer clean, precise holes in hard materials with this M14 diamond core bit set. Designed for angle grinders, the 9-piece set features durable metal crowns and diamond-impregnated segments for fast cutting and long life in stone, granite, and porcelain. Achieve professional results with minimal chipping and maximum efficiency. Features and Benefits - 9-Piece Comprehensive Set - Includes multiple sizes (M14 thread) for versatile drilling applications without needing multiple purchases. - Diamond-Impregnated Segments - Engineered for aggressive cutting action and extended service life compared to standard abrasive bits. - Reinforced Metal Crowns - Provide superior structural integrity and heat dissipation during high-RPM operation. - Wet/Dry Cutting Compatibility - Can be used with water for cooler, cleaner cuts or dry for convenience in certain materials. - Universal M14 Thread - Directly compatible with most standard angle grinders for quick setup and no adapter needed. Applications - Tile and Stone Installation - Create perfect holes for plumbing fixtures, electrical outlets, and pipework in ceramic, porcelain, and natural stone tiles. - Countertop Fabrication - Drill faucet and soap dispenser holes in granite, marble, and quartz slabs with clean, finished edges. - Glass and Mirror Work - Execute precise hole-cutting in glass panels or mirrors for mounting or decorative purposes (use with water). - Masonry and Renovation - Ideal for HVAC, electrical, or plumbing modifications through hard brick, concrete blocks, or cultured stone. Note For optimal performance and bit longevity, use with adequate water cooling when possible and allow the diamond segments to do the work without excessive pressure.