General
| Rosca | Rosca Código | H Altura ref. | D Diámetro de la cabeza | Tamaño de la ranura de tornillo Rebajo en cruz |
|---|---|---|---|---|
| 4 - 24 | #4 | .049 | .225/.195 | 1 |
| 6 - 20 | #6 | .060 | .279/.238 | 2 |
| 8 - 18 | #8 | .072 | .332/.285 | 2 |
| 10 - 16 | #10 | .083 | .385/.333 | 2 |
| 1/4 - 14 | 1/4 | .110 | .507/.442 | 3 |
Longitud
| Longitud | L (Código de longitud) ±.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 |
| 2 | 2.000/1.940 |