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Length Class
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Drill Bits
Cut holes in a variety of metals, from the softest aluminum to the hardest steel.
Cobalt Steel Jobbers' Length
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Round Shank |
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Standard |
The toughness and wear resistance of cobalt steel in a length that's rigid enough for most applications. Cobalt lasts at least twice as long as high-speed steel. It can also run up to 25% faster at higher temperatures without damaging the bit on hard materials such as nickel.
Uncoated—Polished to eject chips, these are also known as bright finish bits.
Round Shank—The most common shank type. These fit in the chuck of drill presses and portable drills.
Standard Point—Good for general purpose drilling. You’ll need to make a pilot hole to center the bit.
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Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Flute Type | Type | Size | Drill Bit Point Type | No. of Flutes | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Uncoated | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Inch | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 0.0087" | 0.0087" | 1" | 0.05" | Spiral | Round | 0.0394" | Standard | 2 | 0000000 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
