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Countersinks

Countersinks

Chamfer a drilled hole to ensure that fasteners install flush with the surface of the workpiece using these countersinks. Chamfered holes are wider at the top, helping to ensure that the fastener is flush with the workpiece. They can also help prevent material from swelling when a fastener is installed and tightened down. Countersinks can also be used to debur holes for a neat appearance.

General Purpose Three-Flute

Countersink, clean, or enlarge existing holes using general purpose three-flute countersinks. They are the standard choice for countersinking operations in a range of materials.

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

110 ° Countersink Angle

120 ° Countersink Angle

General Purpose Four-Flute

Enlarge or countersink existing holes for centering workpieces using these four-flute countersinks.

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

Anti-Vibration Zero-Flute

Zero-flute countersinks greatly reduce vibration and chatter during countersinking and deburring operations, producing holes with smooth, clean edges.

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

Fast Cut Single-Flute

Chamfer, debur, and countersink at high speeds and leave holes with clean edges using these single-flute countersinks. They have a high, positive rake that reduces vibration during cutting.

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

110 ° Countersink Angle

120 ° Countersink Angle

Smooth Finish Six-Flute

These six-flute countersinks provide fast material removal and leave a smooth finish when countersinking or deburring existing holes.

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

110 ° Countersink Angle

120 ° Countersink Angle

Machine Four-Flute

The long shaft on these four-flute countersinks makes them suitable for use in lathes, screw machines, and CNC machines.

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

Carbide for Toughest Materials

Solid carbide countersinks provide good wear resistance when drilling into the toughest materials, such as cast iron, nonferrous alloys, and glass, but they require rigid tool setups because they are brittle.

1 FLute

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

3 FLute

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

6 FLute

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

Diamond Tipped for Abrasives & Nonferrous Metals

The tip of these countersinks has been coated with diamond abrasives to provide good wear resistance when used on abrasive materials such as ceramics and fiberglass and on nonferrous metals such as brass and aluminum.

100 ° Countersink Angle

130 ° Countersink Angle

Sets

Accomplish a range of tasks with these sets, which include a variety of countersinks in different sizes.

0 Flute

Bright (Uncoated), Cobalt Steel

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

Long Life TiN, Cobalt Steel

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

1 Flute

Bright (Uncoated), High Speed Steel

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

Black Oxide, High Speed Steel

100 ° Countersink Angle

120 ° Countersink Angle

Bright (Uncoated), Cobalt Steel

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

110 ° Countersink Angle

120 ° Countersink Angle

Bright (Uncoated), Carbide

60 ° Countersink Angle

82 ° Countersink Angle

Super Life TiAlN, Carbide

82 ° Countersink Angle

3 Flute

Bright (Uncoated), High Speed Steel

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

120 ° Countersink Angle

Bright (Uncoated), Cobalt Steel

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

110 ° Countersink Angle

120 ° Countersink Angle

Bright (Uncoated), Carbide

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

Super Life TiAlN, Carbide

82 ° Countersink Angle

6 Flute

Bright (Uncoated), High Speed Steel

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

Black Oxide, High Speed Steel

100 ° Countersink Angle

120 ° Countersink Angle

Bright (Uncoated), Cobalt Steel

60 ° Countersink Angle

82 ° Countersink Angle

90 ° Countersink Angle

100 ° Countersink Angle

120 ° Countersink Angle

Bright (Uncoated), Carbide

60 ° Countersink Angle

82 ° Countersink Angle

Super Life TiAlN, Carbide

82 ° Countersink Angle

90 ° Countersink Angle