Single-Flute Countersinks

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	Number of Flutes Number of Flutes	Show

	1

	Number of Flutes Number of Flutes	Hide


0	1

2	3

4	6

8	10

	Countersink Angle Countersink Angle

	System of Measurement System of Measurement

Inch

	Body Diameter Body Diameter

	For Use On For Use On

	Material Material

High-Speed Steel

Carbide

Cobalt Steel

	Finish Finish

Uncoated

Titanium Nitride (TiN) Coated

Titanium Carbonitride (TiCN)
Coated

Aluminum Titanium Nitride
(AlTiN) Coated

Titanium Aluminum Nitride
(TiAlN) Coated

	Shank Diameter Shank Diameter

	Shank Type Shank Type

	Round

	Individual/Set Individual/Set

Individual

Set

	Overall Length Overall Length

	Number of Countersinking Ends Number of Countersinking Ends

	Shank Material Shank Material

Steel

Carbide

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Body Diameters Included Body Diameters Included

	For Hole Diameter For Hole Diameter

0.25"-3/4"

0.5"-1 3/4"

1 1/4"-2 1/2"

	Number of Pieces Number of Pieces

	Container Type Container Type

Plastic Case

Metal Case

	Insert Shape Insert Shape

Square

Triangle

	For Minimum Hole Diameter For Minimum Hole Diameter

1/4"

	Insert Size Insert Size

3/8"

1/2"

	Insert Style Insert Style

SPGH

TPGH

	Insert Thickness Insert Thickness

1/8"

3/16"

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448 Products

About Countersinks

Countersinks cut a cone-shaped opening to install screws and rivets flush with a surface or hold workpieces between centers on a lathe. They can also be used for chamfering and deburring.

High-Speed Steel Countersinks for Screws

Carbide Countersinks for Screws

Cobalt Steel Countersinks for Screws

More heat and abrasion resistant than high-speed steel, cobalt steel has better performance on hard-to-machine materials.

High-Speed Steel Countersinks for Rivets

Carbide Countersinks for Rivets

Often used to cut hard and abrasive materials, these carbide countersinks are harder, stronger, and more wear resistant than cobalt steel and high-speed steel countersinks.

Cobalt Steel Countersinks for Rivets

More heat and abrasion resistant than high-speed steel for better performance on hard-to-machine materials.

High-Speed Steel Countersinks for Lathe Centers

Carbide Countersinks for Lathe Centers

Cobalt Steel Countersinks for Lathe Centers

With more heat and abrasion resistance than high-speed steel countersinks, these have better performance on hard-to-machine materials.

Long-Reach Countersinks

The 82° countersink angle is compatible with the profile of flat- and oval-head inch screws.

Replaceable Carbide-Insert Countersinks for Screws

An 82° countersink angle is compatible with the profile of flat- and oval-head inch screws; a 90° countersink angle is compatible with the profile of flat- and oval-head metric screws and is also good for deburring.

Replaceable Carbide-Insert
Countersinks for Lathe Centers

The 60° countersink angle is compatible with the profile of centers on a lathe.

Replaceable Carbide-Insert Countersinks for Rivets

The 100° countersink angle is compatible with the profile of rivets.

Countersink Sets

High-Speed Steel Countersink Sets for Screws

Use in general purpose applications.

Carbide Countersink Sets for Screws

For better performance on hard and abrasive materials, the carbide countersinks in these sets are harder, stronger, and more wear resistant than high-speed steel countersinks.

High-Speed Steel Countersink Sets for Lathe Centers

For general purpose use.

Carbide Countersink Sets for Lathe Centers

Harder, stronger, and more wear resistant than high-speed steel, the carbide countersinks in these sets have better performance on hard and abrasive materials.

High-Speed Steel Countersink Sets for Rivets

Choose these countersinks for general purpose applications.

Carbide Countersink Sets for Rivets

Carbide is harder, stronger, and more wear resistant than high-speed steel for better performance on hard and abrasive materials.

Hand-Driven Countersink Sets

The manually powered, angled shank lets you countersink and debur next to a shoulder and in hard-to-access holes.

About Countersinks

Countersinks

High-Speed Steel Countersinks for Screws

Carbide Countersinks for Screws

Cobalt Steel Countersinks for Screws

High-Speed Steel Countersinks for Rivets

Carbide Countersinks for Rivets

Cobalt Steel Countersinks for Rivets

High-Speed Steel Countersinks for Lathe Centers

Carbide Countersinks for Lathe Centers

Cobalt Steel Countersinks for Lathe Centers

Long-Reach Countersinks

Replaceable Carbide-Insert Countersinks for Screws

Replaceable Carbide-InsertCountersinks for Lathe Centers

Replaceable Carbide-Insert Countersinks for Rivets

Countersink Sets

High-Speed Steel Countersink Sets for Screws

Carbide Countersink Sets for Screws

High-Speed Steel Countersink Sets for Lathe Centers

Carbide Countersink Sets for Lathe Centers

High-Speed Steel Countersink Sets for Rivets

Carbide Countersink Sets for Rivets

Hand-Driven Countersink Sets

Replaceable Carbide-Insert
Countersinks for Lathe Centers