
Unit:mm
| Major | Pitch Diameter | Minor | Major | Pitch Diameter | Minor |
| Diameter | Diameter | Diameter | Diameter |
Size Class Upper Lower Size Class Upper Lower
| Basic | Basic | Tolerance Tolerance | Basic | Basic | Basic | Tolerance Tolerance | Basic | ||||
| Size | Size | ( μ m) | ( μ m) | Size | Size | Size | ( μ m) | ( μ m) | Size | ||
| + | + | + | + |
| P4 | 80 | 60 | P5 | 100 | 60 | |||||
| 5/8 - 11 UNC | 2B | 15.875 14.376 | 63 | 30 | 13.376 | 1 1/4 - 7 UNC | 2B | 31.750 29.393 | 79 | 27.823 38 |
| GH1 | 12.7 | 0 | GH4 | 50.8 | 25.4 | |||||
| P3 | 60 | 40 | 1 1/4 - 8 UN | P5 | 31.750 29.688 | 100 | 60 28.313 | |||
| 5/8 - 18 UNF | 2B | 15.875 14.958 | 56 | 23 | 14.348 | P4 | 80 | 60 | ||
| GH1 | 12.7 | 0 | 1 1/4 - 12 UNF | 2B | 31.750 30.376 | 70 | 29.459 29 | |||
| 5/8 - 24 UNEF | P3 | 15.875 15.187 | 60 | 40 14.729 | GH4 | 50.8 | 25.4 | |||
| 11/16 - 11 UNS | GH3 | 17.462 15.964 | 38.1 25.4 14.963 | P5 | 100 | 60 | ||||
| 1 3/ 8 - 6 UNC | 34.925 32.174 | 30.343 | ||||||||
| 11/16 - 16 UNS | GH3 | 17.462 16.431 | 38.1 25.4 15.743 | GH4 | 50.8 | 25.4 | ||||
| P4 | 80 | 60 | 1 3/ 8 - 8 UN | P5 | 34.925 32.863 | 100 | 60 31.488 | |||
| 3/4 - 10 UNC | 2B | 19.050 17.399 | 66 | 31 | 16.299 | P4 | 80 | 40 | ||
| GH2 | 25.4 | 12.7 | 1 3/ 8 - 12 UNF | 2B | 34.925 33.551 | 71 | 32.634 29 | |||
| P3 | 60 | 40 | GH4 | 50.8 | 25.4 | |||||
| 3/4 - 16 UNF | 2B | 19.050 18.019 | 60 | 25 | 17.330 | P5 | 100 | 60 | ||
| 1 1/ 2 - 6 UNC | 38.100 35.349 | 33.518 | ||||||||
| GH1 | 12.7 | 0 | GH4 | 50.8 | 25.4 | |||||
| 3/4 - 20 UNEF | P3 | 19.050 18.224 | 60 | 40 17.676 | P4 | 80 | 40 | |||
| P4 | 80 | 60 | 1 1/ 2 - 12 UNF | 2B | 38.100 36.726 | 73 | 35.809 29 | |||
| 7/8 - 9 UNC | 2B | 22.225 20.391 | 70 | 33 | 19.169 | GH4 | 50.8 | 25.4 | ||
| GH2 | 25.4 | 12.7 | 1 3/4 - 5 UNC | P6 | 44.450 41.151 | 120 | 80 38.951 | |||
| P3 | 60 | 40 | 1 3/4 - 12 UN | P4 | 44.450 43.076 | 80 | 40 42.159 | |||
| 7/8 - 14 UNF | 2B | 22.225 21.046 | 64 | 27 | 20.262 | 2 - 4 1/ 2UNC P6 | 50.800 47.135 | 120 | 80 44.689 | |
| GH1 | 12.7 | 0 | 2 - 12 UN P4 | 50.800 49.426 | 80 | 40 48.509 | ||||
| 7/8 - 20 UNEF | P3 | 22.225 21.400 | 60 | 40 20.851 | ||||||
| P4 | 80 | 40 | ||||||||
| 1 - 8 UNC | 2B | 25.400 23.338 | 73 | 35 | 21.963 | |||||
| GH2 | 25.4 | 12.7 | ||||||||
| P4 | 80 | 60 | ||||||||
| 1 - 12 UNF | 2B | 25.400 24.026 | 67 | 29 | 23.109 | |||||
| GH4 | 50.8 | 38.1 | ||||||||
| P4 | 80 | 60 | ||||||||
| 1 - 14 UNS | 2B | 25.400 24.221 | 65 | 38 | 23.437 | |||||
| GH2 | 25.4 | 12.7 | ||||||||
| 1 - 20 UNEF | P3 | 25.400 24.574 | 60 | 40 24.026 | ||||||
| P5 | 100 | 60 | ||||||||
| 1 1/ 8 - 7 UNC | 28.575 26.218 | 24.648 | ||||||||
| GH4 | 50.8 | 25.4 | ||||||||
| P3 | 60 | 40 | ||||||||
| 1 1/ 8 - 12 UNF | 2B | 28.575 27.201 | 69 | 29 | 26.284 | |||||
| GH4 | 50.8 | 25.4 | ||||||||
| 1 1/ 8 - 18 UNEF | P3 | 28.575 27.658 | 60 | 40 27.048 | Technical Inf |