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Warning: Products have one, but not necessarily all, of the selected characteristics.
System of Measurement System of Measurement |
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Bit Style Bit Style |
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 | Spear |
Material Material |
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Shank Type Shank Type |
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 | Round |
Point Style Point Style |
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| Standard |
Individual/Set Individual/Set |
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Finish Finish |
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Flute Direction Flute Direction |
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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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Drill Bits for Stone, Granite, and Slate
Multiple cutting edges on the tip allow these bits to drill quickly through natural stone, granite, and other hard, abrasive material.
Drill bits with flats on shank have three flat sides to prevent the bit from slipping in the drill chuck.
Shank | |||||||||
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| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Features | Each | |
Inch | |||||||||
Titanium-Nitride (TiN) Coated Carbide-Tipped Steel | |||||||||
| 1/8" | 0.125" | 2" | 2" | Round | 1/8" | Standard | __ | 000000 | 00000 |
| 3/16" | 0.1875" | 2" | 2" | Round | 3/16" | Standard | __ | 000000 | 0000 |
| 1/4" | 0.25" | 2 1/4" | 2.25" | Round | 1/4" | Standard | __ | 000000 | 00000 |
| 5/16" | 0.3125" | 2" | 2" | Round | 1/4" | Standard | __ | 000000 | 00000 |
| 3/8" | 0.375" | 3 3/4" | 3.75" | Round | 3/8" | Standard | Flats on Shank | 000000 | 00000 |
| 1/2" | 0.5" | 3 3/4" | 3.75" | Round | 3/8" | Standard | Flats on Shank | 000000 | 00000 |