Reiff & Nestor - 1/4-18 NPT, 15° Helix, 4 Flutes, Blue Diamond Finish, High Speed Steel, Spiral Flute Pipe Tap - Right Hand Flute, 9/16" Shank Diam, 1-1/16" Thread Length, 0.4590" Projection, 7/16" Square Size, Series 120GS
Item #: 40077554
Brand: Reiff & Nestor
Model #: 99589
Exact Tooling IR#: 04
Features and Benefits
NPT (National Pipe Taper) refers to American National Standard Taper Pipe Threads. They are commonly used for general purpose applications and require a sealant.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials.
Blue Diamond is a specially treated electrochemical coating designed to prevent surface welding when tapping soft, stringy materials. Blue Diamond is a proprietary coating exclusive to Reiff & Nestor Company.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 1/4-18 |
| Thread Standard | NPT |
| Material | High Speed Steel |
| Finish/Coating | Blue Diamond |
| Number of Flutes | 4 |
| Helix Angle | 15 |
| Overall Length (Inch) | 2-7/16 |
| Thread Length (Inch) | 1-1/16 |
| Series/List | 120GS |
| Shank Diameter (Decimal Inch) | 0.5625 |
| Square Length (Inch) | 7/16 |
| Square Size (Decimal Inch) | 0.4210 |
| Flute Direction | Right Hand |
| Projection (Decimal Inch) | 0.4590 |
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