
Comparison of the thread limit of parallel pipe taps Unit: mm
| Number of | Pitch | Threa | d Limit | of ISO | (G) | Thread Li | mit ofA | ppend | ix of PF | SP | ||||||||
| Size | Threads (er inch) | (mm) | Major D | ia | Pitch | Dia | Minor D | ia Major D | ia | Pitch | Dia | Minor | ia | |||||
| p | Basic Size (mm) | LT (+) | Basic Size (mm) | UT (+) | LT (+) | Tolerance | Basic Size (mm) | UT Basic Size (mm) | LT (+) | Basic Size (mm) | UT (+) | LT (+) | Tolerance | Basic Size (mm) | UT (+) | |||
| r | 28 | 0.9071 | 7.723 | 32 | 7.142 | 43 | 21 | 22 | 6.561 | - | - | - | ||||||
| e | 28 | 0.9071 | 9.728 | 32 | 9.147 | 43 | 21 | 22 | 8.566 | 9.728 | 65 | 9.147 | 40 | 20 | 20 | 8.566 | 40 | SL |
| w | 19 | 1.3368 | 13.157 | 37 | 12.301 | 50 | 25 | 25 | 11.445 | 13.157 | 90 | 12.301 | 50 | 25 | 25 | 11.445 | 50 | |
| y | 19 | 1.3368 | 16.662 | 37 | 15.806 | 50 | 25 | 25 | 14.950 | 16.662 | 90 | 15.806 | 50 | 25 | 25 | 14.950 | 50 | |
| q | 14 | 1.8143 | 20.955 | 43 | 19.793 | 57 | 28 | 29 | 18.631 | 20.955 | 115 | 19.793 | 55 | 25 | 30 | 18.631 | 55 | |
| u | 14 | 1.8143 | 22.911 | 43 | 21.749 | 57 | 28 | 29 | 20.587 | i ed 22.911 | 115 | 21.749 | 55 | 25 | 30 | 20.587 | 55 | PO |
| t | 14 | 1.8143 | 26.441 | 43 | 25.279 | 57 | 28 | 29 | 24.117 | ecifi 26.441 | 115 | 25.279 | 55 | 25 | 30 | 24.117 | 55 | |
| i | 14 | 1.8143 | 30.201 | 43 | 29.039 | 57 | 28 | 29 | 27.877 | t Spi 30.201 | 115 | 29.039 | 55 | 25 | 30 | 27.877 | 55 | |
| 1 | 11 | 2.3091 | 33.249 | 54 | 31.770 | 72 | 36 | 36 | 30.291 | No i 33.249 | 145 | 31.770 | 60 | 30 | 30 | 30.291 | 60 | |
| 1e | 11 | 2.3091 | 37.897 | 54 | 36.418 | 72 | 36 | 36 | 34.939 | 37.897 | 145 | 36.418 | 60 | 30 | 30 | 34.939 | 60 | ST |
| 1w | 11 | 2.3091 | 41.91 O | 54 | 40.431 | 72 | 36 | 36 | 38.952 | 41.910 | 145 | 40.431 | 65 | 30 | 35 | 38.952 | 65 | |
| 1q | 11 | 2.3091 | 47.803 | 54 | 46.324 | 72 | 36 | 36 | 44.845 | 47.803 | 145 | 46.324 | 65 | 30 | 35 | 44.845 | 65 | |
| 1t | 11 | 2.3091 | 53.746 | 54 | 52.267 | 72 | 36 | 36 | 50.788 | 53.746 | 145 | 52.267 | 65 | 30 | 35 | 50.788 | 65 | |
| 2 | 11 | 2.3091 | 59.614 | 54 | 58.135 | 72 | 36 | 36 | 56.656 | 59.614 | 150 | 58.135 | 75 | 35 | 40 | 56.656 | 75 | |
| 2w | 11 | 2.3091 | 65.710 | 65 | 64.231 | 87 | 43 | 44 | 62.752 | U | T: upper de | viation | ROLL | |||||
| 2q | 11 | 2.3091 | 75.184 | 65 | 73.705 | 87 | 43 | 44 | 72.226 | LT: lower de | viation | |||||||
| 2t | 11 | 2.3091 | 81.534 | 65 | 80.055 | 87 | 43 | 44 | 78.576 | |||||||||
| 3 | 11 | 2.3091 | 87.884 | 65 | 86.405 | 87 | 43 | 44 | 84.926 | |||||||||
| 3q | 11 | 2 .3091 | 100.330 | 65 | 98.851 | 87 | 43 | 44 | 97 .372 | CARBIDE | ||||||||
| 4 | 11 | 2.3091 | 113.030 | 65 | 111.551 | 87 | 43 | 44 | 110.072 |
Comparison of the thread limit of parallel internal pipe taps Unit: mm HAND
TAPS
| Number of | Pitch | Threa | d Limit | of ISO | (G) | Thread Lim | it ofAp | pe | ndi | xofP | F | ||||||||||
| Size | Threads h | (mm) | Major D | ia | Pitch | Dia | Minor D | ia | Maj | or Dia | Pitch Di | a | Min | or Dia | |||||||
| (per inc) | |||||||||||||||||||||
| Basic Size (mm) | LT (+) | Basic Size (mm) | UT (+) | LT (+) | Tolerance | Basic Size (mm) | UT | Basic Size (mm) | LT (+) | Basic Size (mm) | UT (+) | L (+ | ) | Tolerance | Basic Size (mm) | UT (+) | LT (-) | ||||
| r | 28 | 0.9071 | 7.723 | 43 | 7.142 | 14 | 43 | 29 | 6.561 | - | - | - | |||||||||
| e | 28 | 0.9071 | 9.728 | 43 | 9.147 | 14 | 43 | 29 | 8.566 | 9.728 | +10 | 50 | 9.147 | 30 | 5 | 0 | 20 | 8.566 | +10 | 50 | |
| w | 19 | 1.3368 | 13.157 | 63 | 12.301 | 21 | 63 | 42 | 11.445 | 13.157 | +5 | 75 | 12.301 | 50 | 7 | 5 | 25 | 11.445 | +5 | 75 | |
| y | 19 | 1.3368 | 16.662 | 63 | 15.806 | 21 | 63 | 42 | 14.950 | i ed | 16.662 | +5 | 75 | 15.806 | 50 | 7 | 5 | 25 | 14.950 | +5 | 75 |
| q | 14 | 1.8143 | 20.955 | 86 | 19.793 | 29 | 86 | 57 | 18.631 | ecifi | 20.955 | -25 | 115 | 19.793 | 85 | 1 | 15 | 30 | 18.631 | -225 | 115 |
| t | 14 | 1.8143 | 26.441 | 86 | 25.279 | 29 | 86 | 57 | 24.117 | t Spi | 26.441 | -25 | 115 | 25.279 | 85 | 1 | 15 | 30 | 24.117 | -25 | 115 |
| 1 | 11 | 2.3091 | 33.249 | 109 | 31.770 | 37 | 109 | 72 | 30.291 | No i | 33.249 | -50 | 150 | 31.770 | 120 | 1 | 50 | 30 | 30.291 | -50 | 150 |
| 1w | 11 | 2.3091 | 41.910 | 109 | 40.431 | 37 | 109 | 72 | 38.952 | 41.910 | -50 | 150 | 40.431 | 115 | 1 | 50 | 35 | 38.952 | -50 | 150 | |
| 1q | 11 | 2.3091 | 47.803 | 109 | 46.324 | 37 | 109 | 72 | 44.845 | 47.803 | -50 | 150 | 46.324 | 115 | 1 | 50 | 35 | 44.845 | -50 | 150 | |
| 2 | 11 | 2.3091 | 59.614 | 109 | 58.135 | 37 | 109 | 72 | 56.656 | 59.614 | -45 | 145 | 58.135 | 105 | 1 | 45 | 40 | 56.656 | -45 | 145 | |
| 2q | 11 | 2.3091 | 75.184 | 130 | 73.705 | 43 | 130 | 87 | 72.226 | UT: upp | er dev | iation | |||||||||
| 3 | 11 | 2.3091 | 87.884 | 130 | 86.405 | 43 | 130 | 87 | 84.926 | LT: low | er dev | iation | |||||||||
| 4 | 11 | 2.3091 | 113.030 | 130 | 111.551 | 43 | 130 | 87 | 110.072 |
THREADS,