KITPIPI Diamond Core Drill Bits – Dry Drilling for Ceramic Tile, Granite & Marble Tackle your toughest tiling and stone drilling jobs with ease. These KITPIPI diamond core drill bits are precision-engineered with advanced brazed technology, allowing you to drill clean, smooth holes through ceramic tile, granite, marble, glass, brick, and microcrystalline stone — completely dry, no water required. Whether you're a DIY enthusiast or a seasoned tradesperson, these bits deliver fast, accurate results every time. Made in Mainland China. Key Features Advanced Brazed Technology: Functions as both a drill and a grinder in one. Superior resistance to heavy impacts ensures precise, efficient performance on the hardest surfaces. Multiple Sizes Available: Choose from 6mm (0.24"), 8mm (0.31"), 10mm (0.39"), and 12mm (0.47") diameters to suit a wide range of drilling tasks. Rapid Penetration: Cuts through hard materials like marble, ceramics, glass, and red brick at impressive speed — creating perfect circular, smooth holes in just seconds. Built-In Cooling Wax: Each bit contains embedded cooling wax that melts during operation, providing internal lubrication and heat dissipation. This intelligent dry-drilling system prevents overheating and significantly extends bit life. Multi-Function Tool: Not just for drilling — also performs edge grinding and trimming for a perfectly flat, refined finish. One tool handles hole drilling, edge processing, and surface refinement. Hexagonal Shank: Secure, slip-free grip in standard power drills. CE certified for safety and quality assurance. Compatible Materials Ceramic & Porcelain Tile Granite & Marble Glass & Microcrystalline Stone Red Brick & Hard Stone Specifications Brand KITPIPI Shank Type Hexagonal (Hex Shank) Available Diameters 6mm, 8mm, 10mm, 12mm Drilling Method Dry Drilling (no water needed) Certification CE Origin Mainland China Package Contents 1× Diamond Core Drill Bit (quantity as selected: 1 or 4 pcs) Related Products You May Like 1/2" & 3/4" PPR Water Pipe Tap – Alloy Steel Anti-Corrosion 10,000 PSI Grease Gun Coupler NPT 1/8 Quick Release Nozzle 0-60MPa Pressure Gauge for S60H Diesel Injector Nozzle Tester For safe tool use and best practices when working with power tools, refer to the OSHA Power Tools Safety Guidelines. Always wear appropriate personal protective equipment (PPE) including safety glasses and a dust mask when dry drilling into stone or ceramic materials. Learn more: Drill Frequently Asked Questions Q: Can these diamond core drill bits be used without water? A: Yes! These bits are specifically designed for dry drilling. Each bit contains embedded cooling wax that melts during operation to lubricate and dissipate heat, eliminating the need for water. This makes them far more convenient for indoor tile and stone work. Q: What materials can these diamond core bits drill through? A: These diamond core drill bits are compatible with a wide range of hard materials including ceramic tile, porcelain, granite, marble, glass, microcrystalline stone, and red brick. They are not recommended for wood or soft plastics. Q: What size drill is needed for the hexagonal shank? A: These bits feature a standard hexagonal (hex) shank that fits most common electric drills and rotary tools. Simply ensure your drill chuck accepts hex shank bits — most modern drills do. Q: Can I use these bits for edge grinding as well as drilling? A: Absolutely. These multi-functional bits are designed not just for hole drilling, but also for edge grinding, trimming, and surface refinement, making them a versatile addition to any toolkit working with tile or stone. {"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "Can these diamond core drill bits be used without water?", "acceptedAnswer": {"@type": "Answer", "text": "Yes! These bits are specifically designed for dry drilling. Each bit contains embedded cooling wax that melts during operation to lubricate and dissipate heat, eliminating the need for water. This makes them far more convenient for indoor tile and stone work."}}, {"@type": "Question", "name": "What materials can these diamond core bits drill through?", "acceptedAnswer": {"@type": "Answer", "text": "These diamond core drill bits are compatible with a wide range of hard materials including ceramic tile, porcelain, granite, marble, glass, microcrystalline stone, and red brick. 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