Black Oxide Drill Bits | McMaster-Carr

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2,050 Products

Fabricating and Machining

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

Countersinks

Cut a cone-shaped opening in a hole to install flat head screws and rivets flush with the surface

Counterbores

Enlarge the top of a hole to install socket and hex head screws flush with the surface

Fastening and Joining

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)