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Material Material |
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Finish Finish |
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Shank Type Shank Type |
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 | Square |
Individual/Set Individual/Set |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Thread Type Thread Type | Show |
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Flute Type Flute Type |
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 | Spiral |
Application Application |
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Drill Bit Point Angle Drill Bit Point Angle |
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Drill Bit Decimal Size Equivalent Drill Bit DecimalSize Equivalent |
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Chamfer Type Chamfer Type |
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Combination Drill Bit/Pipe and Conduit Thread Taps
Drill and thread holes for pipe and conduit without switching tools. Made of uncoated high-speed steel, these tools are for use on most metal and plastic. Their right-hand spiral flutes keep chips clear by drawing them back toward the tap and out of the hole. With a square shank, they're compatible with tap wrenches and tap holders for drill presses and milling machines. All have a plug chamfer with 3-5 chamfered cutting threads, so they're suitable for start-to-finish tapping of through holes.
Drill Bit | Plug Chamfer | |||||||||
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| Pipe Size | Thread Type | Threads Per Inch | Thread Lg. | Overall Lg. | Size | Decimal Size Equivalent | Point Angle | No. of Flutes | Each | |
Uncoated High-Speed Steel | ||||||||||
1/8 | NPTF | 27 | 3/4" | 2 7/8" | Q | 0.332" | 118° | 4 | 0000000 | 000000 |
| 1/4 | NPTF | 18 | 1 1/16" | 3 5/16" | 7/16" | 0.4375" | 118° | 4 | 0000000 | 00000 |
| 3/8 | NPTF | 18 | 1 1/16" | 3 1/2" | 9/16" | 0.5625" | 118° | 4 | 0000000 | 00000 |
| 1/2 | NPTF | 14 | 1 3/8" | 4 3/8" | 45/64" | 0.7031" | 118° | 4 | 0000000 | 000000 |
| 3/4 | NPTF | 14 | 1 3/8" | 4 9/16" | 29/32" | 0.9063" | 118° | 5 | 0000000 | 000000 |
| 1 | NPTF | 11 1/2 | 1 3/4" | 5 3/8" | 1 9/64" | 1.1406" | 118° | 5 | 0000000 | 000000 |