Kennametal - 3/4-14 NPTF, 15° Helix, 4 Flutes, 2-1/2 - 3-1/2 Chamfer, Oxide Finish, High Speed Steel, Spiral Flute Pipe Tap - Right Hand Flute, 1.38" Thread Length, 0.5650" Projection, Series T854
Item #: 57460933
Brand: Kennametal
Model #: 5629909
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.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Spiral flute taps are used for threading blind holes in aluminum, brass and softer steels. The flute geometry draws the chips away from the hole where chip disposal may be an issue.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 3/4-14 |
| Thread Standard | NPTF |
| Material | High Speed Steel |
| Finish/Coating | Oxide |
| Tap Type | Spiral Flute |
| Number of Flutes | 4 |
| Helix Angle | 15 |
| Overall Length (Inch) | 3-1/4 |
| Thread Length (Decimal Inch) | 1.3800 |
| Series/List | T854 |
| Flute Direction | Right Hand |
| Projection (Decimal Inch) | 0.5650 |
| Chamfer | 2-1/2 - 3-1/2 |
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