Bosch Expert Hex-9 Drill Bit 7 x 90mm

Extremely durable drill bit tip with Bosch Carbide technology. Lasts up to 10x longer than standard tile drill bits. Hex shank for maximum power transfer in standard 3-jaw drills and hexagonal screwdriver chucks. Ideal for drilling holes in bathroom tiles. Drills comfortably in tiles up to a hardness of PEI 5. To be used on first drill speed only (slow).