Round-Shank Drill Bits | McMaster-Carr

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7,747 Products

Fabricating and Machining

Drill Bits

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

Drill Bit Extensions

Drill Bit Extensions

Expand the reach of drill bits to get into deep and hard-to-reach spots

Reamer Drill Bits

Reamer Drill Bits

Drill and finish holes in one pass

Plug Cutters

Form wood plugs to conceal fastener heads in counterbored holes

Countersink Drill Bits

Countersink Drill Bits

A single bit drills and creates an angled surface so oval and flat screw heads sit flush

Counterbore Drill Bits

Counterbore Drill Bits

A single bit drills and creates a flat surface for the head of a socket head cap screw

Center Drills

Drill cone-shaped openings in workpieces to mount them between centers on your lathe

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

Tap and Drill Bit Sets

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

End Mills

Cut and shape material to create precise slots, grooves, and profiles

Hollow-Core Cutter Arbor Adapters

Hollow-Core Cutter Arbor Adapters

Modify hollow-core cutters to fit larger arbors on drill presses and milling machines

Router Bits

Attach to routers and CNC machines to cut grooves, chamfers, and other detailed shapes

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.)