6 Pcs Diamond Drill Bits Set with Hex Shank, Tile Bits​ for Porcelain Ceramic Granite Marble Glass Stone, Bit​ Kit Dry or Wet Drilling, Core Hole Saw Cutter​ (5 blue set)

Professional Diamond Grit & Vacuum Brazed:​ Features industrial-grade diamond particles bonded via vacuum brazed technology. This diamond drill bit​ set delivers superior cutting power for clean, fast drilling​ in porcelain tile, ceramic, granite, marble, glass, and stone​ without chipping. Complete 5-Piece Tile Drill Bit Set & Universal Fit:​ This versatile tile drill bit set​ includes multiple sizes (6mm, 8mm, 10mm, 12mm) for various tasks. The quick-change hex shank​ ensures a secure, non-slip grip in most drills and angle grinders​ for universal compatibility​ and effortless operation. Built-in Cooling Wax for Efficient Dry Drilling & Long Life:​ The dry diamonds drill bit​ is infused with cooling wax​ that melts during dry drilling​ to reduce heat and friction. Using water further enhances cooling, significantly extending the bit's prolonged lifespan​ and durability. Wide Application for Hard Materials & Smooth Operation:​ Perfect for versatile use​ on tiles, masonry, concrete, and hardened plastics. The spiral flute design ensures easy plug removal​ and efficient debris clearance, preventing clogging for smooth, hassle-free drilling. Precise Core Drill Bit/Hole Saw for Professional Results:​ Functions as both a core drill bit​ and hole saw​ to create neat, precise holes​ for plumbing, electrical work, or DIY projects. Depth markings guide you for accurate control, ideal for both beginners and experts.