1PCS 6-12mm Hexagonal Shank Brazed Dry Ceramic Tile Marble Tile Hole Opener Diamond Drill Bit Grinding Hole Opener Tool Features: 1. For a rechargeable drill, you need a high-power model of 48V or above 2. For a hand drill, you need a model with a power of 600W or above! 3. Drilling needs to be steady, and do not bend or shake 4. For an angle grinder, you need to have a conversion chuck! *Equipped with a cooling wax core, these bits can perform dry drilling and grinding without water, as the cooling wax helps to prevent overheating. *Hexagonal Shank Design: Offers a secure fit in most standard drills, enhancing stability and control while drilling or grinding. *Versatile Use for Drilling and Grinding: These diamond bits are specifically designed not only for drilling clean, smooth holes but also for light grinding to finish edges and smooth surfaces as needed. *Suitable for dry drilling and light grinding on materials like glass-filled tiles, porcelain, and marble. Specifications: Product Name: Drill Bit Material:as picture Color:as picture Optional Size:6mm8mm10mm12mmas picture Package Content: 1* Drill Bit Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_ _x000D_