
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 | ||
| + | + | + | + |
| P2 | 40 | 20 | P3 | 60 | 40 | ||||
| G5 | 64 | 51 | 5/ 16 - 18 UNC | 2B | 7.938 | 7.021 | 49 | 23 | 6.411 |
No. 6 - 32 UNC 3.505 2.990 2.647
| 2B | 38 | 18 | GH1 | 12.7 | 0 | ||||
| GH1 | 12.7 | 0 | P2 | 40 | 20 | ||||
| P2 | 40 | 25 | 5/ 16 - 24 UNF | 2B | 7.938 | 7.249 | 46 | 20 | 6.792 |
| G5 | 64 | 51 | GH1 | 12.7 | 0 |
No. 6 - 40 UNF 3.505 3.094 2.817
2B 36 16 P2 40 20
5/ 16 - 32 UNEF 7.938 7.422 7.079
| GH1 | 12.7 | 0 | 2B | 44 | 18 | ||||
| P2 | 40 | 20 | P3 | 60 | 40 | ||||
| G6 | 76 | 64 | 3/ 8 - 16 UNC | 2B | 9.525 | 8.494 | 53 | 25 | 7.805 |
No. 8 - 32 UNC 4.166 3.650 3.307
| 2B | 39 | 18 | GH1 | 12.7 | 0 | |||||
| GH1 | 12.7 | 0 | P3 | 60 | 40 | |||||
| P2 | 40 | 20 | 3/ 8 - 24 UNF | 2B | 9.525 | 8.837 | 48 | 20 | 8.379 | |
| G5 | 64 | 51 | GH2 | 25.4 | 12.7 |
No. 8 - 36 UNF 4.166 3.708 3.401
2B 38 17 P2 40 20
3/ 8 - 32 UNEF 9.525 9.009 8.666
| GH1 | 12.7 | 0 | 2B | 46 | 18 | |||
| P2 | 40 | 20 | P3 | 60 | 40 | |||
| G6 | 76 | 64 | 7/ 16 - 14 UNC | 2B | 11.112 9.934 | 56 | 27 | 9.149 |
No. 10 - 24 UNC 4.826 4.138 3.680
| 2B | 42 | 20 | GH1 | 12.7 | 0 | |||
| GH1 | 12.7 | 0 | P3 | 60 | 40 | |||
| P2 | 40 | 20 | 7/ 16 - 20 UNF | 2B | 11.112 10.287 | 51 | 22 | 9.738 |
| G5 | 64 | 51 | GH1 | 12.7 | 0 |
No. 10 - 32 UNF 4.826 4.310 3.967
| 2B | 40 | 18 | 7/ 16 - 28 UNEF | P2 | 11.112 10.523 | 40 | 20 10.130 | |||
| GH1 | 12.7 | 0 | P3 | 60 | 40 | |||||
| P2 | 40 | 20 | 1/ 2 - 13 UNC | 2B | 12.700 11.430 | 58 | 10.584 28 | |||
| No. 12 - 24 UNC 2B | 5.486 | 4.798 | 43 | 20 | 4.341 | GH1 | 12.7 | 0 | ||
| GH1 | 12.7 | 0 | P3 | 60 | 40 | |||||
| P2 | 40 | 20 | 1/ 2 - 20 UNF | 2B | 12.700 11.874 | 52 | 11.326 23 | |||
| No. 12 - 28 UNF 2B | 5.486 | 4.897 | 42 | 19 | 4.503 | GH1 | 12.7 | 0 | ||
| GH1 | 12.7 | 0 | 1/ 2 - 28 UNEF | P2 | 12.700 12.111 | 40 | 20 11.717 | |||
| No. 12 - 32 UNEF P2 | 5.486 | 4.971 | 40 | 20 | 4.627 | P3 | 60 | 40 | ||
| P2 | 40 | 20 | 9/ 16 - 12 UNC | 2B | 14.288 12.913 | 60 | 11.996 29 | |||
| G7 | 89 | 76 | GH3 | 38.1 25.4 | ||||||
| 1/4 - 20 UNC | 6.350 | 5.524 | 4.976 | |||||||
| 2B | 46 | 22 | P3 | 60 | 40 | |||||
| GH1 | 12.7 | 0 | 9/ 16 - 18 UNF | 2B | 14.288 13.371 | 54 | 12.761 23 | |||
| P2 | 40 | 20 | GH2 | 25.4 | 12.7 | |||||
| G6 | 76 | 64 | 9/ 16 - 24 UNEF | P2 | 14.288 13.599 | 40 | 20 13.142 | |||
| 1/4 - 28 UNF | 6.350 | 5.761 | 5.367 | |||||||
| 2B | 43 | 19 | ||||||||
| Technical Inf GH1 | 12.7 | 0 | ||||||||
| P2 | 40 | 20 | ||||||||
| 1/4 - 32 UNEF | 6.350 | 5.834 | 5.491 | |||||||
| 2B | 42 | 18 |