Bosch Masonry Drill Bit 5/16 in. (Model HCBG09T)

Engineered for demanding drilling in concrete, brick, stone and block, the Bosch Masonry Drill Bit delivers fast, precise performance and long life. Featuring a multi-grind carbide centering tip and four-grind bit head, it starts accurately and maintains speed even under heavy impact. Deep-cut U-flutes clear dust quickly for uninterrupted drilling, while the hex PowerGrip shank locks into hammer drills and impact drivers without slipping.

Whether you’re installing anchors, running conduit or tackling general contractor tasks, this 5/16 in. bit offers professional durability and productivity.

Key Features

• Upgraded build delivers 5× the life and 2× the speed of standard masonry bits
• Four-grind head provides extra cutting angles for longer life and faster drilling
• Multi-grind carbide centering tip ensures precise starts in brick, block, stone and concrete
• Milled U-flutes with deep-cut spiral channels remove dust rapidly for uninterrupted progress
• Robust bit head sustains high-impact applications without premature wear
• Hex PowerGrip shank resists slipping in hammer drills and impact drivers