Effective Diamond Core Drill Bit For Ceramic Tile Quartz Stone Edge Trimming/Chamfering Drill Bit M10 Angle Grinder FEATURES SHARP AND THREE-STAGE REAMING: These drill bits feature a sharp, multi-layered tip and three-stage reaming design. This combination ensures smooth, precise drilling through tough materials, delivering high efficiency and fast results with every hole. DURABLE AND LONG-LASTING PERFORMANCE: Crafted from high-quality materials, these drill bits offer exceptional durability and long-lasting performance. The core ensures they remain sharp and effective, even after multiple uses, making them perfect for heavy-duty applications. EASY TO USE: No special tools or expertise are required. The drill bit is easy to install on most standard drills, allowing both professionals and DIY enthusiasts to quickly and accurately drill through a variety of materials. VERSATILE FOR VARIOUS MATERIALS: Ideal for drilling through a wide range of materials, including concrete, tile, marble, granite, quartz, and microcrystalline stone. These drill bits are perfect for home improvement, construction, and professional projects, offering reliable performance on every surface. SPEC Material: High-Quality Material Size: As Shown Weight: 391g Package Include:1* Effective Diamond Core Drill Bit NOTES Always wear appropriate protective gear during operation. Please keep in a cool and dry place when not in use.