Shank Type Shank Type |
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For Use On For Use On |
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Individual/Set Individual/Set |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Material Material |
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Finish Finish |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Number of Countersinking Ends Number ofCountersinking Ends |
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Shank Material Shank Material |
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Container Type Container Type |
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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.
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Hex-Shank High-Speed Steel Countersinks for Screws
Pop these countersinks into power drills, screwdrivers, and other tools that accept 1/4" hex shanks. Tools grip their hex shanks more securely than round shanks to tackle jobs that require higher torque. Use them to create a 90° countersink angle that is compatible with metric flat- and oval-head screws so the screws will sit flush with your surface. These countersinks are also good for smoothing out holes, commonly known as deburring. All are high-speed steel for drilling wood and most metal and plastic.
For technical drawings and 3-D models, click on a part number.
90° Countersink Angle | |||||
|---|---|---|---|---|---|
| Body Dia. | Shank Size | Overall Lg. | For Use On | Each | |
Uncoated High-Speed Steel | |||||
3 Flute | |||||
| 3/16" | 1/4" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 000000 |
| 5/16" | 1/4" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 3/8" | 1/4" | 1 3/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 7/16" | 1/4" | 1 3/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 5/8" | 1/4" | 1 5/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 3/4" | 1/4" | 1 5/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
Drill-Bit Countersinks with Drill Bit
These countersinks come attached to a high-speed steel jobbers’ bit for drilling and countersinking at the same time. They have a hex shank that fits in all quick-change and standard drill chucks. The bit is held in place with a set screw and can be adjusted up to 1” for different screw lengths. 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.
Countersinks | |||||||||||
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For Screw Size | 82° Countersink Angle | Replacement Drill Bits | |||||||||
| Hard Wood | Soft Wood | Drill Bit Size | Body Dia. | Shank Size | Overall Lg. | Max. Hole Drilling Dp. | For Use On | Each | Each | ||
Uncoated High-Speed Steel | |||||||||||
2 Flute | |||||||||||
| __ | No. 6 | 3/32" | 1/2" | 1/4" | 2 11/16" | 1" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel, Wood | 0000000 | 00000 | 0000000 | 00000 |
| No. 10 | No. 12 | 9/64" | 1/2" | 1/4" | 3 3/32" | 1" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel, Wood | 0000000 | 0000 | 0000000 | 0000 |
| No. 4 | __ | 5/64" | 1/2" | 1/4" | 2 9/16" | 1" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel, Wood | 0000000 | 0000 | 0000000 | 0000 |
| No. 6 | No. 8 | 7/64" | 1/2" | 1/4" | 2 27/32" | 1" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel, Wood | 0000000 | 0000 | 0000000 | 0000 |
| No. 8 | No. 10 | 1/8" | 1/2" | 1/4" | 2 31/32" | 1" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel, Wood | 0000000 | 0000 | 0000000 | 0000 |
Hex-Shank High-Speed Steel Countersink Sets for Screws
Choose countersinks of different sizes from these sets. Compared to countersinks with round shanks, these 1/4" hex-shank countersinks can be gripped more tightly by compatible drills and screwdrivers for greater torque. These countersinks cut at 90° angles suitable for metric flat-head and oval-head screws, and are also good for deburring holes or smoothing edges. Made from high-speed steel, use these on most metal and plastic.
90° Countersink Angle | ||||||||
|---|---|---|---|---|---|---|---|---|
| Number of Flutes | Body Dia. Included | Includes | Number of Pieces | Number of Countersinking Ends | For Use On | Container Type | Each | |
Uncoated High-Speed Steel | ||||||||
| 3 | 3/16", 5/16", 3/8", 7/16", 5/8", 3/4" | 1/4" Bit Screwdriver, 1/4" Hex Shank Extension | 8 | 1 | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Plastic Case | 000000 | 0000000 |
Quick-Change Combination Countersinking Drill and Screwdriver Bit Sets
Fasten differently sized screws with these sets. They save you the effort of switching three separate bits in and out of a power tool, instead letting you flip between a countersinking drill and a screwdriver bit with a single hand. You can also attach your own countersinking drills and screwdriver bits as long as they have a 1/4” hex shank.
Countersinking drills have an 82° angle, allowing inch-sized flat- and oval-head screws to sit flush with the surface.
| No. of Pieces | Includes | Countersink Angle | Countersink Body Dia. | No. of Countersink Flutes | Adapter Hex Shank Size | For Use On | Each | |
Black-Oxide High-Speed Steel Countersink | ||||||||
|---|---|---|---|---|---|---|---|---|
| 11 | 1 Drill-Bit Countersink for 3/32" Drill Bit 1 Drill-Bit Countersink for 7/64" Drill Bit 1 Drill Bit (3/32" Drill Bit Size) 2 Drill Bits (7/64" Drill Bit Size) 1 Phillips No. 1 Screwdriver Bit (1" O'all Lg.) 2 Phillips No. 2 Screwdriver Bits (1" O'all Lg.) 1 Reversible Shaft 1 Adapter 1 Hex L-Key | 82° | 3/8" | 4 | 5/16" | Aluminum, Fiberglass, Plastic, Wood | 0000000 | 000000 |