1/4" Countersinks | McMaster-Carr

Filter by

Screw Size

For Use On

Stainless Steel

Countersink Angle

Sold As

Pilot Diameter

Number of Flutes

Body Diameter

Shank Type

Hole Diameter

Container Type

Drill Tip Diameter

Number of Pieces

Shank Diameter

Number of Countersinking Ends

For Cutting

Pilot Length

Material

Carbide-Tipped Steel

Overall Length

Finish

Titanium Nitride (TiN) Coated

Countersink Type

Flute Type

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

System of Measurement

How can we improve?

30 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

Counterbore Insert Holders

Counterbore Insert Holders

Pair with inserts to create flat-bottom holes

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.)