- Durable Diamond Core Construction: Our diamond core drill bits feature a hardened drill core that maintains sharpness even with frequent use. Designed specifically for diamond drilling, these bits offer superior longevity compared to standard drills. - User-Friendly Design: This diamond cone drill bit is versatile, ideal for enlarging, polishing, shaping, and trimming existing holes. It can be used in both wet and dry conditions for added convenience. - Efficient Drilling: The multi-layered drill tip and three-stage grinding ensure smooth drilling through tough materials like ceramic and quartz. These tile drill bits are ceramic diamond tools that deliver quick and efficient results in construction projects. - High Efficiency: Available in three sizes (20 mm, 35 mm, and 50 mm), this three-layer taper drill bit can accommodate various hole diameters, making it suitable for a range of applications. Applications: 1. Home Renovation: Perfect for enlarging holes in tiles when installing plumbing or electrical fixtures. 2. Artisan Crafting: Ideal for artists and DIY enthusiasts looking to create precise holes in ceramics or glass. 3. Construction Projects: Essential for professionals needing reliable tools for drilling through hard materials in various construction tasks.