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Individual/Set Individual/Set |
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Shank Type Shank Type |
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![]() | Round |
Number of Countersinking Ends Number ofCountersinking Ends |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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.
More
High-Speed Steel Countersink Sets for Screws

Choose fewer flutes for a faster cut or more flutes for a smoother finish. 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.
TiN (titanium nitride) coated countersinks last longer and withstand more heat than black-oxide coated or uncoated countersinks.
For technical drawings and 3-D models, click on a part number.
Number of Flutes | Body Dia. Included | Number of Pieces | Number of Countersinking Ends | Shank Type | For Use On | Container Type | Set | |
82° Countersink Angle | ||||||||
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Titanium Nitride (TiN) Coated High-Speed Steel | ||||||||
1 | 1/4", 1/2", 3/4", 1" | 4 | 1 | Round | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Plastic Case | 00000000 | 0000000 |
6 | 1/4", 1/2", 3/4", 1" | 4 | 1 | Round | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Plastic Case | 00000000 | 000000 |
90° Countersink Angle | ||||||||
Titanium Nitride (TiN) Coated High-Speed Steel | ||||||||
1 | 1/4", 1/2", 3/4", 1" | 4 | 1 | Round | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Plastic Case | 00000000 | 000000 |
6 | 1/4", 1/2", 3/4", 1" | 4 | 1 | Round | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Plastic Case | 00000000 | 000000 |