Steel Countersinks | McMaster-Carr

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Countersink Angle

For Use On

Stainless Steel

System of Measurement

Body Diameter

Number of Flutes

Shank Diameter

Screw Size

Hole Diameter

1/16" to 15/64"

3/32" to 15/64"

5/32" to 13/32"

3/16" to 13/32"

3/16" to 17/32"

13/64" to 27/64"

Shank Type

Quick-Change Hex

Sold As

Material

Carbide-Tipped Steel

High-Speed Steel

Overall Length

Finish

Titanium Nitride (TiN) Coated

Number of Countersinking Ends

Shank Material

Body Diameters Included

Drill Tip Diameter

Drill Bit Size

Pilot Diameter

Flute Type

Number of Pieces

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Countersink Trade Size

How can we improve?

1,632 Products

Fabricating and Machining

Countersinks

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

Countersink Extensions

Countersink Extensions

Lengthen the reach of threaded-shank countersinks

Center Drills

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

Counterbores

Enlarge the top of a hole to install socket and hex head screws 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.)