System of Measurement System of Measurement |
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Number of Flutes Number of Flutes |
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 | 4 |
Material Material |
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For Use On For Use On |
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Shank Material Shank Material |
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Shank Type Shank Type |
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 | Round |
Number of Countersinking Ends Number ofCountersinking Ends |
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Finish Finish |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Individual/Set Individual/Set |
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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
Starter-Hole-Eliminating Drill-Point Countersinks
with Two Countersinking Ends for Lathe Centers
When one end dulls, turn the countersink around for a sharp cutting edge. The drill point is incorporated into the countersink flutes, so there’s no need to create a starter hole. Carbide provides strength, hardness, and wear resistance for excellent performance on hard and abrasive materials. These countersinks require rigid tool holding to prevent breakage and are not for use with hand-held tools. The 60° countersink angle is compatible with the profile of centers on a lathe.
For technical drawings and 3-D models, click on a part number.
Dia. | 60° Countersink Angle | |||||
|---|---|---|---|---|---|---|
| Body | Shank | Drill Tip | Overall Lg. | For Use On | Each | |
Uncoated Carbide | ||||||
4 Flute | ||||||
| 1/8" | 1/8" | 0.041" | 1 1/2" | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 000000 |
| 3/16" | 3/16" | 0.062" | 2" | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 00000 |
| 1/4" | 1/4" | 0.082" | 2" | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 00000 |
| 5/16" | 5/16" | 0.104" | 2 1/2" | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 00000 |
| 3/8" | 3/8" | 0.125" | 2 1/2" | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 00000 |
| 1/2" | 1/2" | 0.167" | 3" | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 000000 |
| 5/8" | 5/8" | 0.208" | 3 1/2" | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 000000 |
| 3/4" | 3/4" | 0.250" | 4" | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 000000 |