| NPS | NPSF | NPTF | |
| Threads | NPSC, NPSM | NPSF | NPTF |
| Flutes | Straight Taps | Straight Taps | Straight Taps |
| Tolerance Class | ANSI G Class | ANSI G Class | ANSI G Class |
| Chamfer Length | 5 Pitches | 5 Pitches | 3 Pitches |
For more information, please refer to the attachment.
