General
| Thread | Thread Code |
H Height |
D Head Diameter |
|---|---|---|---|
| 2 - 28 | #2 | .053 / .045 | .167 / .155 |
| 4 - 20 | #4 | .068 / .058 | .219 / .205 |
| 6- 19 | #6 | .082 / .072 | .270 / .256 |
| 8-16 | #8 | .096 / .085 | .322 / .306 |
| 10 - 14 | #10 | .110 / .099 | .373 / .357 |
| 1/4 - 14 | 1/4 | .144 / .130 | .492 / .473 |
Length
| Length | L (Length Code) ±.005 |
|---|---|
| 3/16 | .187 / .167 |
| 1/4 | .250 / .230 |
| 5/16 | .313 / .293 |
| 3/8 | .375 / .355 |
| 7/16 | .438 / .418 |
| 1/2 | .500 / .480 |
| 9/16 | .563 / .533 |
| 5/8 | .625 / .595 |
| 3/4 | .750 / .720 |
| 7/8 | .875 / .845 |
| 1 | 1.000 / .970 |
| 1 - 1/4 | 1.250 / 1.190 |
| 1 - 3/8 | 1.375 / 1.315 |
| 1 - 1/2 | 1.500 / 1.440 |
| 1 - 5/8 | 1.625 / 1.565 |
| 1 - 3/4 | 1.750 / 1.690 |
| 1 - 7/8 | 1.875 / 1.815 |
| 2 | 2.000 / 1.940 |