Porcelain Tile Drill Bits Set, 5PCS 6mm Dry Diamond Drill Bit with 1/4 Inch Hex Shank for Granite, Ceramic, Marble, Stone and Glass

• 【Dry Drilling Design】 Built-in cooling wax core automatically absorbs and dissipates heat during use. No water cooling required, making your drilling work cleaner and more efficient while preventing the drill bit from overheating.
• 【Premium Diamond Material】 Upgraded diamond coating provides faster cutting speed and longer lifespan. Sturdy and durable construction easily penetrates hard glazes, ensuring precise and clean holes without breaking the edges.
• 【Universal 1/4" Hex Shank】 Designed with a quick-change hex shank that securely fits most hand drills, bench drills, and angle grinders. Prevents slipping during operation for safer and more accurate positioning.
• 【Wide Application】 Versatile 6mm drill bits perfect for drilling through hard materials including porcelain tile, ceramic, granite, marble, quartz, masonry, and glass. Ideal for both professional industrial use and home DIY projects.
• 【Value 5-Piece Set】 Includes 5 pieces of 6mm diamond drill bits, providing ample replacements for your projects. Start drilling at a 45-degree angle and gradually move to an upright position for optimal results.

Upgrade your toolkit with our premium 5PCS 6mm Diamond Drill Bits Set, specifically engineered for tackling hard materials with ease. Whether you are a professional contractor or a DIY enthusiast, these porcelain tile drill bits deliver exceptional performance and durability. Featuring advanced vacuum brazed technology and a built-in cooling wax core, these dry diamond drill bits eliminate the need for messy water cooling. The high-quality diamond coating ensures fast, smooth, and precise drilling through porcelain, ceramic, granite, marble, and glass without chipping or cracking the surface. The universal 1/4 inch hex shank provides a secure grip in most standard drills, preventing slippage for accurate hole placement. For best results, start your hole at a 45-degree angle to create a positioning groove, then slowly bring the drill to a 90-degree vertical position while maintaining a steady speed.