
NPTF NPTF-CI ANSI
Hand Taps for American Dryseal Taper Pipe Threads Hand Taps for American Dryseal Taper Pipe Threads, for Cast Irons
■ Suitable for hard and abrasive materials such as cast irons. Nitride
Cast irons Ductile cast irons
(m/min) ( m/ min)
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 | l | |||||||
| 1/8-27 NPTF | ANSI G | Y83226 | 3P | 2.125 | 0.75 | 0.312 | 0.437 | 0.328 | 0.375 | 4 | 1 |
| 1/8-27 NPTF | ANSI G | Y83227 | 3P | 2.125 | 0.75 | 0.312 | 0.312 | 0.234 | 0.375 | 4 | 2 |
| 1/4-18 NPTF | ANSI G | Y83228 | 3P | 2.437 | 1.062 | 0.459 | 0.562 | 0.421 | 0.437 | 4 | 1 |
| 3/8-18 NPTF | ANSI G | Y83229 | 3P | 2.562 | 1.062 | 0.454 | 0.7 | 0.531 | 0.5 | 4 | 1 |
| 1/2-14 NPTF | ANSI G | Y83230 | 3P | 3.125 | 1.375 | 0.579 | 0.687 | 0.515 | 0.625 | 4 | 2 |
| 3/4-14 NPTF | ANSI G | Y83231 | 3P | 3.25 | 1.375 | 0.565 | 0.906 | 0.679 | 0.687 | 5 | 2 |
| 1 -11 1/2 NPTF | ANSI G | Y83232 | 3P | 3.75 | 1.75 | 0.678 | 1.125 | 0.843 | 0.812 | 5 | 2 |
| 1 1/4-11 1/2 NPTF | ANSI G | Y83233 | 3P | 4 | 1.75 | 0.686 | 1.312 | 0.984 | 0.937 | 5 | 2 |
| 1 1/2-11 1/2 NPTF | ANSI G | Y83234 | 3P | 4.25 | 1.75 | 0.699 | 1.5 | 1.125 | 1 | 7 | 2 |
| 2 -11 1/2 NPTF | ANSI G | Y83235 | 3P | 4.5 | 1.75 | 0.667 | 1.875 | 1.406 | 1.125 | 7 | 2 |