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Finish Finish |
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Shank Type Shank Type |
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Individual/Set Individual/Set |
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Number of Countersinking Ends Number ofCountersinking Ends |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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For Screw Size For Screw Size | Show |
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For Screw Size For Screw Size | Hide |
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Drill Bit Size Drill Bit Size |
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For Wood Type For Wood Type |
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For Drill Bit Size For Drill Bit Size |
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Maximum Hole Drilling Depth Maximum Hole Drilling Depth |
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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 Drill-Bit Countersinks for Screws
For use on wood, plastic, and most metals, these countersinks attach to a drill bit (sold separately) to countersink and drill holes at the same time. They attach to the drill bit with two set screws and the position can be adjusted for different screw lengths. 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.
Optional collar (not included) controls the cutting depth of your countersink. It attaches with two set screws.
Countersinks | Optional Collars | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | For Drill Bit Size | Body Dia. | Overall Lg. | For Use On | Each | OD | Wd. | Each | ||
82° Countersink Angle | ||||||||||
Uncoated High-Speed Steel | ||||||||||
4 Flute | ||||||||||
| No. 4 | 7/64" | 5/16" | 3/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel, Wood | 0000000 | 000000 | 9/16" | 1/4" | 0000000 | 00000 |
90° Countersink Angle | ||||||||||
Uncoated High-Speed Steel | ||||||||||
4 Flute | ||||||||||
| No. 4 | 7/64" | 5/16" | 3/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel, Wood | 0000000 | 00000 | 9/16" | 1/4" | 0000000 | 0000 |
Carbon Steel Drill-Bit Countersinks for Screws
Only for use on wood and plastic, these countersinks attach to a drill bit (sold separately) to countersink and drill holes at the same time. They attach to the drill bit with two set screws and the position can be adjusted for different screw lengths. The 82° countersink angle is compatible with the profile of flat- and oval-head inch screws.
Optional collar (not included) controls the cutting depth of your countersink. It attaches with two set screws.
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.
Countersinks | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | Replacement Drill Bits | |||||||||
| Hard 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. 4 | 5/64" | 1/2" | 1/4" | 2 5/8" | 1" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel, Wood | 0000000 | 00000 | 0000000 | 00000 |