Bosch 3" to 10" Multi-Construction Drill Bit

The innovative Multi-Construction bit drills practically everything: from tile, masonary, wood, metal and concrete. The bit is extremely useful to installers who drill through multiple materials. Features: Innovative tungsten carbide plate - Suitable for multi-purpose applications. Sharp, Multiple Diamond ground cutting edges - for a high drilling rate, even in hard materials such as tiles and concretes. Sturdy Drilling head - For a long serviced life in drilling and impact drilling applications. New Steep Spiral - Optimized drilling dust clearance in multiple materials. New Customized carbide geometry optimized to handle a wide range of materials. Grip shank provides aggressive gripping power Steep flute with ribs optimizes dust removal in any material Sharp, ground cutting edges for fast drilling in hard materials Robust head provides long life in impact applications