
NPS NPS ANSI
Hand Taps for American Parallel Pipe Threads Hand Taps for American Parallel Pipe Threads
■ The NPS tap is a hand tap for American parallel pipe threads and is used for products whose main purpose is the tightness of the threaded Oxide part in connecting pipe parts and the like.
| Low carbon steels | Medium carbon steels | High carbon steels | |
| 5低炭素鋼10 | 5中炭素鋼10 | 5高炭素鋼10 | |
| (m/min) | (m/min) | ( m/ min) |
TYPE:1 TYPE:2
Segment:1G
| Size | Class | Code | Chamfer | L (ih) | ℓ (ih) | Ds (ih) | K (ih) | ℓk (ih) | No. of flt | TYPE |
| For A | nc merican | nc Pipe Threa | nc ds | nc | nc | lues | ||||
| 1/8-27 NPS | ANSI G | Y83301 | 4P | 2.125 | 0.75 | 0.437 | 0.328 | 0.375 | 4 | 1 |
| 1/8-27 NPS | ANSI G | Y83301BR | 4P | 2.125 | 0.75 | 0.437 | 0.328 | 0.375 | 4 | 1 |
| 1/8-27 NPS | ANSI G | Y83302 | 4P | 2.125 | 0.75 | 0.312 | 0.234 | 0.375 | 4 | 2 |
| 1/8-27 NPS | ANSI G | Y83302BR | 4P | 2.125 | 0.75 | 0.312 | 0.234 | 0.375 | 4 | 2 |
| 1/4-18 NPS | ANSI G | Y83303 | 4P | 2.437 | 1.062 | 0.562 | 0.421 | 0.437 | 4 | 1 |
| 1/4-18 NPS | ANSI G | Y83303BR | 4P | 2.437 | 1.062 | 0.562 | 0.421 | 0.437 | 4 | 1 |
| 3/8-18 NPS | ANSI G | Y83304 | 4P | 2.562 | 1.062 | 0.7 | 0.531 | 0.5 | 4 | 1 |
| 3/8-18 NPS | ANSI G | Y83304BR | 4P | 2.562 | 1.062 | 0.7 | 0.531 | 0.5 | 4 | 1 |
| 1/2-14 NPS | ANSI G | Y83305 | 4P | 3.125 | 1.375 | 0.687 | 0.515 | 0.625 | 4 | 2 |
| 1/2-14 NPS | ANSI G | Y83305BR | 4P | 3.125 | 1.375 | 0.687 | 0.515 | 0.625 | 4 | 2 |
| 3/4-14 NPS | ANSI G | Y83306 | 4P | 3.25 | 1.375 | 0.906 | 0.679 | 0.687 | 5 | 2 |
| 3/4-14 NPS | ANSI G | Y83306BR | 4P | 3.25 | 1.375 | 0.906 | 0.679 | 0.687 | 5 | 2 |
| 1 -11 1/2 NPS | ANSI G | Y83307 | 4P | 3.75 | 1.75 | 1.125 | 0.843 | 0.812 | 5 | 2 |
| 1 -11 1/2 NPS | ANSI G | Y83307BR | 4P | 3.75 | 1.75 | 1.125 | 0.843 | 0.812 | 5 | 2 |