Drill Bits for Hardened Steel | McMaster-Carr

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3,454 Products

Fabricating and Machining

Drill Bits

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

Hollow-Core Cutters

Hollow-Core Cutters

Use in magnetic-base drills to form burr-free holes by only cutting the outside edge of a hole

Drill Bit Inserts

Drill Bit Inserts

Pair with compatible drill bit bodies to precisely drill multiple holes

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

End Mills

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

Tap and Drill Bit Sets

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

Electrical Discharge Machining Electrodes

Electrical Discharge Machining Electrodes

Create pilot holes and other small holes to run EDM wire through; use with hole-popping EDM machines

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