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.
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High-Speed Steel Drill-Point Countersink Sets for Screws
Small drill points let you drill and countersink holes with the same tool. The 82° countersink angle is compatible with the profile of flat- and oval-head inch screws.
For technical drawings and 3-D models, click on a part number.
82° Countersink Angle | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Screw Size  | Number of Pieces | Number of Flutes | Number of Countersinking Ends | Shank Type | For Use On | Container Type | Set | |
Uncoated High-Speed Steel | ||||||||
| No. 5, No. 6, No. 8, No. 10, No. 12, 1/4", 5/16", 3/8" | 8 | 2 | 1 | Round | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Plastic Case | 00000000 | 0000000 |