Piloted Countersinks | McMaster-Carr

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For Use On

Stainless Steel

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Countersink Angle

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5/16" to 41/64"

7/16" to 53/64"

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Shank Diameters Included

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Carbide-Tipped Steel

Overall Length

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Aluminum Titanium Nitride (AlTiN) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Nitride (TiN) Coated

Center Drill Trade Size

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Compliant with Exemptions

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DFARS Specialty Metals

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Number of Countersinking Ends

Pilot Head Diameter

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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.)