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Use these diamond-coated hollow bits for wet drilling of masonry, concrete, and rebar with a drilling rig.
These jobbers'-length bits have the rigidity and length required for most applications.
Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than jobbers'-length drill bits.
These hollow bits are diamond-tipped for long life and fast cutting speeds. Only for use in drill presses.
The toughest bits available, these withstand the shock and twisting force of impact drivers.
Less likely to crack or shatter under high torque than standard bits, these are often used with power tools to install machine screws.
The toughest bits available, these withstand the shock and twisting force of impact drivers. Designed for screws with a square recess in the head, they are also known as Robertson bits.