Center Drill Bits | McMaster-Carr

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Carbide-Tipped Steel

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Aluminum Titanium Nitride (AlTiN) Coated

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Titanium Nitride (TiN) Coated

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10,256 Products

Fabricating and Machining

Center Drills

Drill cone-shaped openings to mate with lathe centers or start pilot holes for screws

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

Counterbore Insert Holders

Counterbore Insert Holders

Pair with inserts to create flat-bottom holes

Drill Bits

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

Drill/Screwdriver Bits

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

End Mills

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

Router Bits

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

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

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

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