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System of Measurement System of Measurement |
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For Use On For Use On |
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Length Class Length Class |
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 | Jobbers' Length |
 | Short Length |
Material Material |
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Finish Finish |
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Shank Type Shank Type |
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 | Round |
Bit Style Bit Style |
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 | Spiral Flute |
Individual/Set Individual/Set |
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Flute Direction Flute Direction |
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| Right Hand |
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| Left Hand |
Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Short-Length Drill Bits
Black Oxide
Black-oxide drill bits produce less friction than uncoated drill bits.
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | Each | |||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
| 3.2 mm | 0.126" | 49mm | 11.6mm | Round | 3.2mm | Split | DIN 1897 | Steel, Iron, Stainless Steel | 00000000 | 00000 |
High-Speed Steel Left-Hand Drill Bits
Uncoated
Also known as reverse-flute bits, the flutes spiral in the opposite direction of other bits. Use in counterclockwise drilling applications such as removing broken screws. These bits are jobbers' length and have the rigidity and length required for most applications.
Shank | ||||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Specifications Met | Each | |
Metric | ||||||||||
Uncoated High-Speed Steel | ||||||||||
| 2.9 mm | 0.1142" | 61mm | 11.6mm | Round | 2.9mm | Standard | Steel, Iron, Stainless Steel | DIN 338 | 000000000 | 00000 |