The Bosch X-LOCK Diamond Dry Speed Drill Bit, with a 27mm diameter, is engineered for exceptional durability and high drilling speeds when working with hard ceramic materials. Its high-quality diamond coating and vacuum soldering technology ensure a long service life, making it ideal for dry drilling applications. This drill bit is perfect for cutting tiles, ranging from soft wall tiles to extremely hard stoneware floor tiles. It is designed for use with X-LOCK angle grinders, and the innovative keyless X-LOCK system allows for quick and effortless bit changes. The drill bit has a diameter of 27mm (1 1/16 inches) and a working length of 35mm.