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System of Measurement System of Measurement |
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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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Body Diameter Body Diameter |
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Drill Tip Diameter Drill Tip Diameter |
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Shank Type Shank Type |
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 | Round |
Number of Flutes Number of Flutes |
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 | 2 |
Number of Countersinking Ends Number ofCountersinking Ends |
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Shank Diameter Shank Diameter |
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Individual/Set Individual/Set |
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Material Material |
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Finish Finish |
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Overall Length Overall Length |
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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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Shank Material Shank Material |
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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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High-Speed Steel Drill-Point Countersinks for Screws
A small drill point at the tip lets you use the same tool for drilling and counterboring holes. 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.
Dia. | 90° Countersink Angle | ||||||
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| For Screw Size | Body | Shank | Drill Tip | Overall Lg. | For Use On | Each | |
Uncoated High-Speed Steel | |||||||
2 Flute | |||||||
| 4 mm | 8.200mm | 6.35mm | 4.100mm | 44.44mm | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 000000 |