The Rubi Drygres Premium Diamond Core Drill with a diameter of 68 mm and M14 thread is designed for drilling holes in hard floor and wall tiles, specifically for creating openings for electrical installations. This tool is suitable for ceramic tiles and natural stone, offering a long lifespan with an average of 150 holes per drill in the size range of 20 mm to 85 mm. It allows for fast and easy drilling while ensuring precise results without damaging the tile surface. The high-quality construction focuses on durability and reliability, making it a dependable choice for both professional and DIY applications. With its robust design, this core drill minimizes the risk of chipping and cracking, providing consistent performance in demanding tiling tasks. The M14 thread ensures compatibility with standard drills, facilitating easy mounting and dismounting. Ideal for renovations and new installations, it supports an efficient workflow while maintaining high-quality results. The measurements are provided in metric units, with a diameter of 68 mm, and it is part of the Rubi range of hand tools and drills, identified by the model number 6978.