Bosch HCBG24T 7/8" x 6" BlueGranite Turbo Carbide Hammer Drill Bit (2-PACK) Bosch BlueGranite Turbo? Carbide Hammer Drill Bits deliver 5x life and 2x speed over standard masonry bits, resulting in increased on-the-job productivity. Each bit delivers an aggressive hold in the hammer drill achieved with the PowerGrip shank.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. Bosch HCBG24T Features Upgraded build - delivers 5x life and 2x speed over standard masonry bits PowerGrip round shank ? provides better grip for great speed 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 Bosch-made carbide ? delivers outstanding durability under heavy loads Bosch HCBG24T Specifications Length 6" Bit Diameter 7/8" Chuck Fitment Standard Chuck