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System of Measurement System of Measurement |
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For Use On For Use On |
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Bit Style Bit Style |
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![]() | Spiral Flute |
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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Finish Finish |
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Material Material |
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Individual/Set Individual/Set |
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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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Flute Direction Flute Direction |
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Right Hand |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Black-Oxide High-Speed Steel | |||||||||
33/64" | 0.5156" | 8" | 3.97" | Round | 33/64" | Standard | Steel, Iron, Stainless Steel | 000000000 | 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.
Shank | ||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Each | |
Inch | ||||||||
Black-Oxide Steel | ||||||||
1/2" | 0.5" | 6" | 3.97" | Round | 3/8" | Brad | 0000000 | 000000 |