Brand Name: Bosch | Material: Carbide Tipped | Number in Package: 1 pc. | Overall Length: 4 in. | Packaging Type: Carded | Shank Diameter: 1/4 in. | Shank Type: Hex Shank | Sub Brand: BlueGranite Turbo | Usage: Masonry | Flute Length: 3 in. | Drill Size: 3/16 in. Bosch BlueGranite Turbo Carbide Hammer Drill Bits deliver 5x life and 2x speed over standard masonry bits, resulting in increased on-the-job productivity. This impact-rated bit has been redesigned with a hex shank and it is designed for use in today's higher torque hammer drills and impact drivers. The bit features an upgraded four-grind head, delivering additional cutting angles for faster drilling. The multi-grind centering tip also provides for precise starts in masonry, block and concrete. | Hex shanks and impact rated, allows use in impact drivers and hammer drill/drivers for added versatility | Four-grind head, delivers two more cutting angles for longer life and faster speed | Multi-grind carbide centering tip offers accurate starts in brick, masonry and more | Robust bit head provides long life in impact applications | Milled U-flutes with deep-cut spirals delivers fast dust removal