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Length Class Length Class |
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Extended Length |
System of Measurement System of Measurement |
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Overall Length Overall Length |
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Decimal Size Equivalent Decimal Size Equivalent |
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Point Style Point Style |
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Standard |
For Use On For Use On |
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Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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Material Material |
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Finish Finish |
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Shank Size Shank Size |
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Point Angle Point Angle |
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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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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Individual/Set Individual/Set |
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Bit Style Bit Style |
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![]() | Spiral Flute |
Flute Direction Flute Direction |
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Right Hand |
Shank Type Shank Type |
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![]() | Round |
Drill Bit Decimal Size Equivalents
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About Drill Bits
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Extended-Length Drill Bits

Black Oxide
Access hard-to-reach spots and drill deep holes.
Black-oxide drill bits produce less friction than uncoated drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
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Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
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Black-Oxide High-Speed Steel | |||||||||
F | 0.257" | 6 1/4" | 3.49" | Round | 0.257" | Standard | Steel, Iron, Stainless Steel | 0000000 | 000000 |