Union Butterfield - 1/2-14 NPTF, 30° Helix, 4 Flutes, Taper Chamfer, Bright Finish, High Speed Steel, Spiral Flute Pipe Tap - Right Hand Flute, 11/16" Shank Diam, 1-3/8" Thread Length, 5/8" Square Size, Series 1549
Item #: 66380890
Brand: Union Butterfield
Model #: 1010931
Exact Tooling IR#: 04
Features and Benefits
NPTF (National Pipe Taper Fuel) refers to Dryseal American National Standard Tapered Pipe Threads. They do not require a sealant due to being formed by metal to metal contact.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Taper chamfers are known as a starter tap. They have a longer chamfer and require a less aggressive cutting action. They are 7 to 10 threads.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 1/2-14 |
| Thread Standard | NPTF |
| Material | High Speed Steel |
| Finish/Coating | Bright |
| Number of Flutes | 4 |
| Helix Angle | 30 |
| Overall Length (Inch) | 3-1/8 |
| Thread Length (Decimal Inch) | 1.3750 |
| Thread Length (Inch) | 1-3/8 |
| Series/List | 1549 |
| Shank Diameter (Decimal Inch) | 0.6875 |
| Square Length (Inch) | 5/8 |
| Square Size (Decimal Inch) | 0.5150 |
| Flute Direction | Right Hand |
| Chamfer | Taper |
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