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| Thread size | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 |
| Thread per inch | 20 | 18 | 16 | 14 | 13 | 11 | 10 | 9 | 8 | 7 | 7 |
| k | 11/64 | 7/32 | 1/4 | 19/64 | 11/32 | 27/64 | 1/2 | 37/64 | 43/64 | 3/4 | 27/32 |
| e | 0.484 | 0.552 | 0.620 | 0.687 | 0.826 | 1.033 | 1.240 | 1.447 | 1.653 | 1.859 | 2.066 |
| s | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | 15/16 | 1-1/8 | 15/16 | 1-1/2 | 1-11/16 | 1-7/8 |
| LT L≤6 in | 0.750 | O.875 | 1.000 | 1.125 | 1.250 | 1.500 | 1.750 | 2.000 | 2.250 | 2.500 | 2.750 |
| LT L＞6 in | 1.000 | 1.125 | 1.250 | 1.375 | 1.500 | 1.750 | 2.000 | 2.250 | 2.500 | 2.750 | 3.000 |
| L | 1/2-4 | 5/8-4 | 3/4-4 | 7/8-4 | 1-4 | 1 1/4-6 | 1 1/2-6 | 1 3/4-10 | 2-10 | 2 1/4-11 1/4 | 2 1/2- 12 1/2 |