The Bosch EXPERT HEX-9 Hard Ceramic Drill Bit is engineered for the demands of modern tiling work. As wall tiles have become larger and harder, conventional drill bits simply can't keep up — that's why Bosch developed this specialist bit, capable of dry-drilling hard ceramics and lasting up to 10x longer than the Bosch CYL-9 Soft Ceramic Drill Bit. At the heart of its performance is Bosch's Carbide Technology, combining the hardest metals with a precision-ground, multi-faceted tip. This advanced tip design distributes the workload across multiple asymmetric faces for highly efficient drilling, while a specially designed centring point ensures a precise, skid-free start every time. No lubricant or cooling is required. Available in drill diameters from 4mm to 10mm, in single bits or a pack of 5. Features and Benefits: • Lasts up to 10x longer than the Bosch CYL-9 Soft Ceramic Drill Bit • Bosch Carbide Technology — the hardest metal integrated into the tip for exceptional durability • Multi-faceted tip with multiple angles, faces and edges for highly efficient drilling in hard materials • High-performance carbide tip manufactured by fine grinding for razor-sharp, complex cutting edges • Specially designed centring tip for accurate, skid-free hole starts • Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼" internal hex tool holders • Dry drilling — no lubricant or cooling required

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