Diamond dry drill Dry Speed, ideal for dry drilling of hard ceramics with a diameter of 4 cm. The Dry Speed diamond drill features a long lifespan. The high-quality diamond coating allows for very high drilling speeds. Thanks to vacuum soldering technology, it achieves excellent results when drilling. With a hole diameter of 22-23 mm, it is suitable for standard angle grinders with a clamping nut. The diameter is 4 cm, and the working length is 3.5 cm. This product is suitable for all angle grinders and is ideal for tiles, ranging from soft wall tiles to very hard stoneware floor tiles.