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For Use On For Use On |
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Length Class Length Class |
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Extended Length |
Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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Shank Type Shank Type |
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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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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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Bit Style Bit Style |
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Point Angle Point Angle |
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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 | |
Letter | |||||||||
Black-Oxide High-Speed Steel | |||||||||
U | 0.368" | 6 3/4" | 3.69" | Round | 0.368" | Standard | Steel, Iron, Stainless Steel | 0000000 | 000000 |
Drill Bits for Precise Holes in Wood

Black-Oxide Steel
Three sharp points allow these bits to drill accurate straight and overlapping holes, even across the grain. The center guide point prevents the bit from wandering. Also known as brad-point bits.
For technical drawings and 3-D models, click on a part number.
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Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Each | |
Inch | ||||||||
Black-Oxide Steel | ||||||||
7/16" | 0.4375" | 5 5/8" | 3.69" | Round | 3/8" | Brad | 0000000 | 000000 |