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System of Measurement System of Measurement |
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Size Size | Show |
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Size Size | Hide |
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Decimal Size Equivalent Decimal Size Equivalent |
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For Use On For Use On |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Individual/Set Individual/Set |
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Length Class Length Class |
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 | Jobbers' Length |
Maximum Drilling Depth Maximum Drilling Depth |
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Overall Length Overall Length |
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Point Angle Point Angle |
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Point Style Point Style |
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| Split |
Shank Size Shank Size |
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Shank Type Shank Type |
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 | Round |
Specifications Met Specifications Met |
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Bit Style Bit Style |
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 | Parabolic Spiral Flute |
Flute Direction Flute Direction |
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| Right Hand |
Finish Finish |
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Material Material |
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About Drill Bits
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Drill Bit Decimal Size Equivalents
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Chip-Clearing Cobalt Steel Drill Bits
Uncoated
The parabolic spiral flutes lift chips out of the hole, reducing clogging and improving coolant flow. With better heat and wear resistance than high-speed steel, these cobalt steel bits can run up to 25% faster and have a longer tool life. All are jobbers’ length so they have the rigidity and length required for most applications. A split point keeps the bit centered without a pilot hole.
Shank | ||||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric—Parabolic Spiral Flute | ||||||||||
Uncoated Cobalt Steel | ||||||||||
| 10.4 mm | 0.4094" | 133mm | 87mm | Round | 10.4mm | Split | DIN 338 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 00000000 | 000000 |