BSP
| Nominal Size [Inch] | D1 mm (") | D2 mm (") | P mm (") |
| 1/2" | 20.96 (0.83) | 18.63 (0.73) | 1.81 (0.07) |
| 3/4" | 26.41 (1.04) | 24.12 (0.95) | 1.81 (0.07) |
| 1" | 33.25 (1.31) | 30.29 (1.19) | 2.31 (0.09) |
| 1" 1/4 | 41.6 (1.64) | 39.3 (1.55) | 2.31 (0.09) |
| 1" 1/2 | 47.80 (1.88) | 44.85 (1.77) | 2.31 (0.09) |
| 2" | 59.61 (2.35) | 56.66 (2.23) | 2.31 (0.09) |
| 3" | 87.88 (3.46) | 84.93 (3.34) | 2.31 (0.09) |
| 4" | 113.03 (4.45) | 110.07 (4.33) | 2.31 (0.09) |
NPT
| Nominal Size [Inch] | D1 mm (") | D2 mm (") | P mm (") |
| 1/2" | 21.22 (0.84) | 18.32 (0.72) | 1.81 (0.07) |
| 3/4" | 26.57 (1.05) | 23.77 (0.93) | 1.81 (0.07) |
| 1" | 33.23 (1.31) | 29.69 (1.17) | 2.21 (0.09) |
| 1" 1/2 | 48.05 (1.89) | 44.52 (1.75) | 2.21 (0.09) |
| 2" | 60.09 (2.37) | 56.56 (2.23) | 2.21 (0.09) |
| 3" | 88.61 (3.49) | 83.53 (3.29) | 3.18 (0.13) |
| 4" | 113.97 (4.49) | 108.89 (4.29) | 3.18 (0.13) |
[Parallelle draden kunnen op elk gewenst moment gemeten worden, afnemende draden moeten gemeten worden op de maatlengte.]