Vermont Tap & Die - 1/4-18 NPTF, 4 Flute, Taper Chamfer, Bright Finish, High Speed Steel, Extension Pipe Tap - 3-1/2" OAL, 0.48" Shank Diam, 1-1/16" Thread Length, 0.421" Square Size, 5/16" Square Length, Regular Hook, Series 3180E
Item #: 33162827
Brand: Vermont Tap & Die
Model #: 386024
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.
Standard extension pipe taps are used for internal deep-hole drilling of pipes and pipe fittings. ideal for hard-to-reach-areas in general purpose applications..
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) | 1/4-18 |
| Thread Standard | NPTF |
| Material | High Speed Steel |
| Finish/Coating | Bright |
| Number of Flutes | 4 |
| Thread Profile | Standard |
| Chamfer | Taper |
| Overall Length (Inch) | 3-1/2 |
| Thread Length (Inch) | 1-1/16 |
| Shank Diameter (Decimal Inch) | 0.4800 |
| Square Length (Inch) | 5/16 |
| Square Size (Decimal Inch) | 0.4210 |
| Series/List | 3180E |
| Hook | Regular |
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