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DFARS Specialty Metals
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Combination Drill Bit/Taps
Spiral Flute
Drill holes and cut threads without switching tools. Made of high-speed steel, these taps are for use on most metal and plastic. The square shank is compatible with 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.
Taps with spiral flutes keep chips clear by drawing them back toward the tap and out of the hole.
Uncoated taps are strong enough for most tapping jobs but have a shorter tool life.
For technical drawings and 3-D models, click on a part number.
Inch
Thread | Drill Bit | Plug Chamfer | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Size | Lg. | Overall Lg. | Size | Decimal Size Equivalent | Point Angle | Flute Type | Thread Type | Pitch Dia. Limit | Each | |
Uncoated High-Speed Steel | ||||||||||
| 4-48 | 3/8" | 1 7/8" | 42 ga. | 0.0935" | 110° | Spiral | UNF | H2 | 0000000 | 000000 |