Piloted Countersinks | McMaster-Carr

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For Use On

Stainless Steel

Screw Size

Countersink Angle

Pilot Diameter

Body Diameter

Number of Flutes

Hole Diameter

5/16" to 41/64"

7/16" to 53/64"

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Shank Diameter

Shank Diameters Included

Number of Pieces

Material

Carbide-Tipped Steel

Finish

Aluminum Titanium Nitride (AlTiN) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Nitride (TiN) Coated

Flute Type

Overall Length

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Tolerance Rating

Shank Material

Countersink Trade Size

Number of Countersinking Ends

Pilot Head Diameter

Container Type

How can we improve?

188 Products

Fabricating and Machining

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

Center Drills

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

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