Bosch CYL-9 Tile Drill Bit for Ceramic 16x90mm (for precise and clean drilling in ceramic tiles, porcelain, and glass, features a durable carbide tip for long life and chip-free holes), for use with rotary drills at low speed.
The CYL-9 SoftCeramic Drill Bit is the standard choice for professional drilling in soft to medium-hard tiles, ceramics, and non-tempered glass. It is specifically designed for dry drilling without the need for lubrication, featuring a reinforced carbide head for maximized life and wear resistance.

