| Type | I.C. | Pitch TPI | Ordering Code RH | Ordering Code LH | L | X | Y |
|---|---|---|---|---|---|---|---|
| External API | 3/8" | 10 | 16ER10API RD | 16EL10API RD | 16.5 | 1.1 | 1.4 |
| External API | 3/8" | 8 | 16ER8API RD | 16EL8API RD | 16.5 | 1.3 | 1.5 |
| External API | 1/2" | 10 | 22ER10API RD | 22EL10API RD | 22 | 1.5 | 1.7 |
| External API | 1/2" | 8 | 22ER8API RD | 22EL8API RD | 22 | 2.2 | 2.3 |
| Internal API | 3/8" | 10 | 16NR10API RD | 16NL10API RD | 16.5 | 1.1 | 1.4 |
| Internal API | 3/8" | 8 | 16NR8API RD | 16NL8API RD | 16.5 | 1.3 | 1.5 |
| Internal API | 1/2" | 10 | 22NR10API RD | 22NL10API RD | 22 | 1.5 | 1.7 |
| Internal API | 1/2" | 8 | 22NR8API RD | 22NL8API RD | 22 | 2.2 | 2.3 |
