Designed for fast and efficient drilling in brickwork, concrete and breeze block. Drills up to 60% faster than competitive drill bits and still with the same high durability. Unique, pressed carbide tips for aggressive cutting. Drill speed up to 60percent faster than competitive drill bits whilst maintaining the same high durability. Single flute design. Pressed diamond-ground carbide tip. Unique carbide tip design. Chrome vanadium body. High durability.