
| r ara Si | e Cl | e re Major Diameter | s ( Pitc | ) h Diamet Upper | er Lower | Unit:mm Minor Diameter | |
| ze | ass | Basic Size | Basic Size | Tolerance ( μ m) + | Tolerance ( μ m) + | Basic Size | |
| PF | 1/16- 28 | Ⅱ | 7.723 | 7.142 | 40 | 20 | 6.561 |
| PF | 1/8- 28 | Ⅱ | 9.728 | 9.147 | 40 | 20 | 8.566 |
| PF | 1/4- 19 | Ⅱ | 13.157 | 12.301 | 50 | 25 | 11.445 |
| PF | 3/8- 19 | Ⅱ | 16.662 | 15.806 | 50 | 25 | 14.950 |
| PF | 1/2- 14 | Ⅱ | 20.955 | 19.793 | 55 | 25 | 18.631 |
| PF | 5/8- 14 | Ⅱ | 22.911 | 21.749 | 55 | 25 | 20.587 |
| PF | 3/4- 14 | Ⅱ | 26.441 | 25.279 | 55 | 25 | 24.117 |
| PF | 7/8- 14 | Ⅱ | 30.201 | 29.039 | 55 | 25 | 27.877 |
| PF | 1 - 11 | Ⅱ | 33.249 | 31.770 | 60 | 30 | 30.291 |
| PF | 11/4- 11 | Ⅱ | 41.910 | 40.431 | 65 | 30 | 38.952 |
| PF | 11/2- 11 | Ⅱ | 47.803 | 46.324 | 65 | 30 | 44.845 |
| PF | 2 - 11 | Ⅱ | 59.614 | 58.135 | 75 | 35 | 56.656 |
| PF | 21/2- 11 | Ⅱ | 75.184 | 73.705 | 80 | 40 | 72.226 |
| PF | 3 - 11 | Ⅱ | 87.884 | 86.405 | 85 | 40 | 84.926 |
| PF | 31/2- 11 | Ⅱ | 100.330 | 98.851 | 85 | 40 | 97.372 |
| PF | 4 - 11 | Ⅱ | 113.030 | 111.551 | 85 | 40 | 110.072 |
| o | r aper | pe reas Mj | (c) | Unit:mm |
| Size | aor Diameter | Pitch Diameter | Minor Diameter | |
| Basic Size | Basic Size | Basic Size | ||
| PT | 1/16- 28 | 7.723 | 7.142 | 6.561 |
| PT | 1/8- 28 | 9.728 | 9.147 | 8.566 |
| PT | 1/4- 19 | 13.157 | 12.301 | 11.445 |
| PT | 3/8- 19 | 16.662 | 15.806 | 14.950 |
| PT | 1/2- 14 | 20.955 | 19.793 | 18.631 |
| PT | 5/8- 14 | 22.911 | 21.749 | 20.587 |
| PT | 3/4- 14 | 26.441 | 25.279 | 24.117 |
| PT | 7/8- 14 | 30.201 | 29.039 | 27.877 |
| PT | 1 - 11 | 33.249 | 31.770 | 30.291 |
| PT | 11/8- 11 | 37.897 | 36.418 | 34.939 |
| PT | 11/4- 11 | 41.910 | 40.431 | 38.952 |
| PT | 11/2- 11 | 47.803 | 46.324 | 44.845 |
| PT | 13/4- 11 | 53.746 | 52.267 | 50.788 |
| PT | 2 - 11 | 59.614 | 58.135 | 56.656 |
| PT | 21/4 - 11 | 65.710 | 64.231 | 62.752 |
| PT | 21/2- 11 | 75.184 | 73.705 | 72.226 |
| PT | 3 - 11 | 87.884 | 86.405 | 84.926 |
| PT | 31/2- 11 | 100.330 | 98.851 | 97.372 |
| PT | 4 - 11 | 113.030 | 111.551 | 110.072 |
| r ara Size | e Class | pe re Major Diameter | s ( Pitc | p) h Diame Upper | ter Lower | Unit:mm Minor Diameter | |
| Basic Size | Basic Size | Tolerance ( μ m) - | Tolerance ( μ m) - | Basic Size | |||
| PS | 1/16- 28 | Ⅱ | 7.723 | 7.142 | 30 | 50 | 6.561 |
| PS | 1/8- 28 | Ⅱ | 9.728 | 9.147 | 30 | 50 | 8.566 |
| PS | 1/4- 19 | Ⅱ | 13.157 | 12.301 | 50 | 75 | 11.445 |
| PS | 3/8- 19 | Ⅱ | 16.662 | 15.806 | 50 | 75 | 14.950 |
| PS | 1/2- 14 | Ⅱ | 20.955 | 19.793 | 85 | 115 | 18.631 |
| PS | 5/8- 14 | Ⅱ | 22.911 | 21.749 | 85 | 115 | 20.587 |
| PS | 3/4- 14 | Ⅱ | 26.441 | 25.279 | 85 | 115 | 24.117 |
| PS | 7/8- 14 | Ⅱ | 30.201 | 29.039 | 85 | 115 | 27.877 |
| PS | 1 - 11 | Ⅱ | 33.249 | 31.770 | 120 | 150 | 30.291 |
| PS | 11/4- 11 | Ⅱ | 41.910 | 40.431 | 115 | 150 | 38.952 |
| PS | 11/2- 11 | Ⅱ | 47.803 | 46.324 | 115 | 150 | 44.845 |
| PS | 2-11 | Ⅱ | 59.614 | 58.135 | 105 | 145 | 56.656 |
| PS | 21/2- 11 | Ⅱ | 75.184 | 73.705 | 140 | 180 | 72.226 |
| PS | 3 - 11 | Ⅱ | 87.884 | 86.405 | 135 | 180 | 84.926 |
| PS | 4 - 11 | Ⅱ | 113.030 | 111.551 | 135 | 180 | 110.072 |
| or na | re | rew Major Diameter | reas Pitc | h Diame | ter | Unit:mm Minor Diameter |
| Size | Class | Basic Size | Basic Size | Upper Tolerance ( μ m) + | Lower Tolerance ( μ m) + | Basic Size |
| S 0.5 × 0.125 | - | 0.500 | 0.419 | 15 | 7 | 0.380 |
| S 0.6 × 0.15 | - GS2 | 0.600 | 0.503 | 15 23 | 7 13 | 0.456 |
| S 07×0175 | - | 0700 | 0586 | 20 | 10 | 0532 |
| . . | GS3 | . | . | 28 | 18 | . |
| S 08×02 | - | 0800 | 0670 | 20 | 10 | 0608 |
| . . | GS3 | . | . | 28 | 18 | . |
| S 0.9 × 0.225 | - GS4 | 0.900 | 0.754 | 20 33 | 10 23 | 0.684 |