Bosch BlueGranite Turbo carbide hammer drill bits deliver 5x the life and 2x the speed of standard masonry bits. An upgraded four-grind head adds two more cutting angles for faster drilling and longer life, and the multi-grind carbide centering tip gives accurate starts in brick, block, masonry and concrete.

• Delivers 5x life and 2x speed over standard masonry bits
• Four-grind head provides two additional cutting angles for longer life and faster drilling
• Multi-grind carbide centering tip for accurate starts in brick, masonry and concrete
• Robust bit head built for long life in impact applications
• Milled U-flutes with deep-cut spirals clear dust quickly
• Carbide-tipped percussion bit for use in a hammer drill
• Size is etched into the bit for quick identification
• Diameter: 1/4"
• Overall length: 6"
• Pack of 5 bits; no case included

Tip: Let the flutes carry the dust out of the hole. On deeper holes, back the bit out every inch or so to clear packed dust and keep the carbide from overheating.