Bosch Set Expert Hex-9 Hard Ceramic Drill Bit Set 5 X 90 mm 5 Pcs 2608902315

Features:Lasts up to 10x longer than a Bosch CYL-9 Soft Ceramic Drill BitLong Life drilling hard tilesExceptional durability is built into drill bits with Bosch Carbide Technology - the hardest metal is integrated into the tip using advanced design and manufacturing techniques.Start holes accurately with a specially designed centring tip. This helps you to be precise in your drilling every time, working efficiently for hundreds of clean holes.High-performance carbide tip manufactured by fine grinding. We can grind razor-sharp edges in the hardest metal: This enables complex, highly efficient designs.Efficient drilling in hard materials with a multi-faceted tip: The advanced design with multiple angles, faces and edges make these drill bits highly effective.Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼" internal hex tool holdersAs wall tiles have become larger and harder, drilling holes in them has become very demanding on a tile drill bit.