General
| Thread | Thread Code |
H Height |
D Head Diameter |
|---|---|---|---|
| 2 - 36 | #2 | .053 / .045 | .167 / .155 |
| 4 - 24 | #4 | .060 / .051 | .193 / .180 |
| 5 - 20 | #5 | .068 / .058 | .219 / .205 |
| 6 - 19 | #6 | .075 / .065 | .245 / .231 |
| 7 - 19 | #7 | .082 / .072 | .270 / .256 |
| 8 - 18 | #8 | .082 / .072 | .270 / .256 |
| 10 - 16 | #10 | .096 / .085 | .332 / .306 |
| 12 - 16 | #12 | .110 / .099 | .373 / .357 |
| 1/4 - 15 | 1/4 | .144 / .130 | .492 / .473 |
Length
| Length | L (Length Code) ±.005 |
|---|---|
| 3/16 | .187 / .140 |
| 1/4 | .250 / .203 |
| 5/16 | .313 / .266 |
| 3/8 | .375 / .328 |
| 7/16 | .438 / .391 |
| 1/2 | .500 / .453 |
| 9/16 | .563 / .516 |
| 5/8 | .625 / .578 |
| 3/4 | .750 / .703 |
| 7/8 | .875 / .828 |
| 1 | 1.000 / .953 |
| 1 - 1/4 | 1.250 / 1.187 |
| 1 - 1/2 | 1.500 / 1.437 |
| 1 - 3/4 | 1.750 / 1.687 |
| 2 | 2.000 / 1.937 |