• Drills hard tiles - such as porcelain - without lubricant or cooling • Delivers 10x longer life compared to standard tile drill bit • Multi-faceted design ensures efficient drilling • Start holes accurately with a specially designed centring tip • High-performance carbide tip • Tool should be used in first gear The EXPERT Hex-9 Hard Ceramic Drill Bit delivers long life drilling in hard tiles - such as porcelain. This highly durable uses Bosch’s Carbide Technology which enables it to last up to 10x longer life compared to a standard bit. Its advanced asymmetric tip design ensures edges bite like teeth into the hard materials. In addition, start holes accurately with the specially-designed centering tip. Hex shank for maximum power transfer in standard three-jaw drills and hexagonal screwdriver chucks. Technical Specifications: Diameter mm: 5. Length mm: 90. Shank Type: Hex.