
■ The NPTF is a hand tap for the American dry seal tapered pipe threads and is used for products whose main purpose is the tightness of the Oxide threaded part in connection with pipe parts, etc.
Medium carbon steels High carbon steels Alloy steels
| 中炭素鋼5 | 高炭素鋼5 | 合金鋼5 |
| (m/min) | (m/min) | ( m/ min) |
TYPE:1 TYPE:2
Projection Projection
Segment:1G
| Size | Class | Code | Chamfer | L (inch) | ℓ (inch) | Projection (inch) | Ds (inch) | K (inch) | ℓk (inch) | No. of flutes | TYPE |
| For Drysea | l Americ | an Pipe | Threads | ||||||||
| 1/16-27 NPTF | ANSI G | Y83125 | 3P | 2.125 | 0.687 | 0.312 | 0.312 | 0.234 | 0.375 | 4 | 1 |
| 1/16-27 NPTF | ANSI G | Y83125BR | 3P | 2.125 | 0.687 | 0.312 | 0.312 | 0.234 | 0.375 | 4 | 1 |
| 1/8-27 NPTF | ANSI G | Y83126 | 3P | 2.125 | 0.75 | 0.312 | 0.437 | 0.328 | 0.375 | 4 | 1 |
| 1/8-27 NPTF | ANSI G | Y83126BR | 3P | 2.125 | 0.75 | 0.312 | 0.437 | 0.328 | 0.375 | 4 | 1 |
| 1/8-27 NPTF | ANSI G | Y83127 | 3P | 2.125 | 0.75 | 0.312 | 0.312 | 0.234 | 0.375 | 4 | 2 |
| 1/8-27 NPTF | ANSI G | Y83127BR | 3P | 2.125 | 0.75 | 0.312 | 0.312 | 0.234 | 0.375 | 4 | 2 |
| 1/4-18 NPTF | ANSI G | Y83128 | 3P | 2.437 | 1.062 | 0.459 | 0.562 | 0.421 | 0.437 | 4 | 1 |
| 1/4-18 NPTF | ANSI G | Y83128BR | 3P | 2.437 | 1.062 | 0.459 | 0.562 | 0.421 | 0.437 | 4 | 1 |
| 3/8-18 NPTF | ANSI G | Y83129 | 3P | 2.562 | 1.062 | 0.454 | 0.7 | 0.531 | 0.5 | 4 | 1 |
| 3/8-18 NPTF | ANSI G | Y83129BR | 3P | 2.562 | 1.062 | 0.454 | 0.7 | 0.531 | 0.5 | 4 | 1 |
| 1/2-14 NPTF | ANSI G | Y83130 | 3P | 3.125 | 1.375 | 0.579 | 0.687 | 0.515 | 0.625 | 4 | 2 |
| 1/2-14 NPTF | ANSI G | Y83130BR | 3P | 3.125 | 1.375 | 0.579 | 0.687 | 0.515 | 0.625 | 4 | 2 |
| 3/4-14 NPTF | ANSI G | Y83131 | 3P | 3.25 | 1.375 | 0.565 | 0.906 | 0.679 | 0.687 | 5 | 2 |
| 3/4-14 NPTF | ANSI G | Y83131BR | 3P | 3.25 | 1.375 | 0.565 | 0.906 | 0.679 | 0.687 | 5 | 2 |
| 1 -11 1/2 NPTF | ANSI G | Y83132 | 3P | 3.75 | 1.75 | 0.678 | 1.125 | 0.843 | 0.812 | 5 | 2 |
| 1 -11 1/2 NPTF | ANSI G | Y83132BR | 3P | 3.75 | 1.75 | 0.678 | 1.125 | 0.843 | 0.812 | 5 | 2 |
| 1 1/4-11 1/2 NPTF | ANSI G | Y83133 | 3P | 4 | 1.75 | 0.686 | 1.312 | 0.984 | 0.937 | 5 | 2 |
| 1 1/4-11 1/2 NPTF | ANSI G | Y83133BR | 3P | 4 | 1.75 | 0.686 | 1.312 | 0.984 | 0.937 | 5 | 2 |
| 1 1/2-11 1/2 NPTF | ANSI G | Y83134 | 3P | 4.25 | 1.75 | 0.699 | 1.5 | 1.125 | 1 | 6 | 2 |
| 1 1/2-11 1/2 NPTF | ANSI G | Y83134BR | 3P | 4.25 | 1.75 | 0.699 | 1.5 | 1.125 | 1 | 6 | 2 |
| 2 -11 1/2 NPTF | ANSI G | Y83135 | 3P | 4.5 | 1.75 | 0.667 | 1.875 | 1.406 | 1.125 | 6 | 2 |
| 2 -11 1/2 NPTF | ANSI G | Y83135BR | 3P | 4.5 | 1.75 | 0.667 | 1.875 | 1.406 | 1.125 | 6 | 2 |