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System of Measurement System of Measurement |
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Length Class Length Class |
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![]() | Short Length |
Point Style Point Style |
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Standard |
Shank Type Shank Type |
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![]() | Round |
Material Material |
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Flute Direction Flute Direction |
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Right Hand |
Individual/Set Individual/Set |
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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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Point Angle Point Angle |
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Bit Style Bit Style |
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![]() | Spiral Flute |
Finish Finish |
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Overall Length Overall Length | Show |
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Overall Length Overall Length | Hide |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Short-Length Carbide-Tipped Drill Bits

Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than standard-length drill bits. Made of carbide-tipped steel, which has better wear resistance than high-speed steel and cobalt steel, they maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material, such as plastic. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill.
For technical drawings and 3-D models, click on a part number.
Shank | Standard Point | ||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | For Use On | Point Angle | Each | |
Metric | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
7.5 mm | 0.2953" | 71mm | 22.5mm | Round | 7.5mm | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 118° | 000000000 | 000000 |
8.0 mm | 0.315" | 71mm | 24mm | Round | 8mm | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 118° | 000000000 | 00000 |