Bosch BlueGranite Turbo Carbide Hammer Drill Bits deliver 5x life and 2x speed over standard masonry bits, resulting in increased on-the-job productivity. The multi-grind centering tip also provides for precise starts in masonry, block and concrete.

Highlights:

• Diameter: 5/16 inch
• Flute Length: 7.5 inch
• Overall Length: 10 inch
• Shank Diameter: .3125 inch
• Upgraded build delivers 5x life & 2x speed over standard masonry bits
• Hex shanks & impact rated allows use in impact drivers & hammer drill/drivers for added versatility
• 4 Grind head delivers 2 more cutting angles for longer life & faster speed
• Multi-grind carbide centering tip offers accurate starts in brick, masonry & 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