Clear All
System of Measurement System of Measurement |
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Decimal Size Equivalent Decimal Size Equivalent |
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For Use On For Use On |
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Length Class Length Class |
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 | Jobbers' Length |
Material Material |
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Finish Finish |
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Shank Type Shank Type |
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 | Round |
Point Style Point Style |
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| Standard |
Bit Style Bit Style |
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 | Spiral Flute |
Point Angle Point Angle |
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Individual/Set Individual/Set |
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Shank Size Shank Size |
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Overall Length Overall Length |
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Flute Direction Flute Direction |
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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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Specifications Met Specifications Met |
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About Drill Bits
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Drill Bit Decimal Size Equivalents
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High-Speed Steel Left-Hand Drill Bits
Black Oxide
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.
Black-oxide and black-and-gold-oxide drill bits produce less friction than uncoated drill bits.
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 | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
| 8.5 mm | 0.3346" | 117mm | 63.9mm | Round | 8.5mm | Standard | Steel, Iron, Stainless Steel | DIN 338 | 00000000 | 000000 |