Diamond Dry Drilling Bit Set Robust Line Easy Dry. Perfectly suited for ceramics. Easy drilling without water in ceramics for outstanding drilling results. The Easy Dry diamond bits make dry drilling in ceramics simple. The integrated coolant reservoir ensures consistent performance, and the robust, wear-resistant, vacuum-brazed diamond coating makes the job easier. The drilling depth of 33 mm allows for comfortable drilling of tiles of any thickness. This product is suitable for a variety of materials – from soft wall tiles to hard floor tiles and fine stoneware. It is compatible with all cordless drills and features a chuck size of 13 mm. A robust and compact set in a transparent storage box that allows for good visibility as well as safe storage and transport. Note: Drill without impact. Optimal speed 1500 RPM.