7/16" Countersinks | McMaster-Carr

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Stainless Steel

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Countersink Angle

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7/16" to 53/64"

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Titanium Nitride (TiN) Coated

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Carbide-Tipped Steel

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Number of Countersinking Ends

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24 Products

Fabricating and Machining

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

Countersinks

Cut a cone-shaped opening in a hole to install flat-head screws and rivets flush with the surface

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

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