Dapetz ® Diamond Drill Bit, 18mm Glass Hole Saw Core Drill Bit with Diamond Surface Coating, for Glass/Tile/Ceramic/Marble/Limestone/Fiberglass/Porcelain Cutting

HIGH-QUALITY & DURABLE CONSTRUCTION: Constructed to support dependable day-to-day performance, dIAMOND COATED CUTTING EDGE-constructed from corrosion resistant carbon steel with a diamond dust coating for superior cutting strength, wear resistance and long-lasting performance on tough materials. KEY PRODUCT FEATURE: The key design feature is pRECISION & SMOOTH DRILLING-Engineered to create clean, accurate holes with minimal chipping or cracking. The diamond coated edge delivers smooth cuts and professional quality results every time. SECURE & RELIABLE PERFORMANCE: For dependable performance, well suited to HARD MATERIALS-well suited to drilling ceramic tiles, glass, marble, slate, stone, granite and porcelain, making it designed for both DIY and professional applications. EASY INSTALLATION / USE: For straightforward operation, uNIVERSAL DRILL COMPATIBILITY-developed to fit standard power drill chucks for quick installation and hassle free operation without requiring special adapters or additional tools. VERSATILE APPLICATIONS: In practical applications, cOOLING DESIGN FOR LONGER LIFE-Side slots improve water flow and debris removal for faster drilling. For best results, application at 800-1000 RPM with a constant water supply dry drilling is not recommended.