80mm Diamond Core Drill Bit, Hollow Drill Bit for Ceramic Marble, Porcelain, Tile, Marble, Granite (80mm Diameter)

General Description The AIDUCHO 80mm diamond core drill bit is designed for efficient drilling of hard materials such as porcelain, marble, granite, glass, and concrete. Made of high-carbon steel, it offers exceptional durability and drilling performance. Its gold paint coating prevents rust and enhances corrosion resistance. Technical Specifications Material: High-carbon steel Size: 80mm diameter Use: Wet or dry Compatibility and Accessories Compatible with all electric drills and impact drills Package includes: 1 x Diamond core drill bit Installation For optimal use, start drilling slowly at a 45-degree angle, then switch to a vertical position when the gap appears. Use water for cooling and lubrication to prolong the life of the drill bit. Application Ideal for drilling mounting holes in stone countertops and plumbing lines in showers and sinks. The central pilot holes and side holes facilitate the removal of debris during drilling. Other information: It is important to keep the drill bit cool when drilling hard materials to avoid damaging the material and accelerating drill bit wear. Due to differences in lighting and screen settings, the item's color may slightly differ from the pictures. Please allow slight dimensional differences due to manual measurement.