| Code | Hex Size | L | C | Thread |
|---|---|---|---|---|
| STF408/7 | 7 | 8 | 8 | M 4 |
| STF410/7 | 7 | 10 | 10 | M 4 |
| STF412/7 | 7 | 12 | 12 | M 4 |
| STF415/7 | 7 | 15 | 15 | M 4 |
| STF418/7 | 7 | 18 | 18 | M 4 |
| STF420/7 | 7 | 20 | 20 | M 4 |
| STF425/7 | 7 | 25 | 8 | M 4 |
| STF430/7 | 7 | 30 | 8 | M 4 |
| STF435/7 | 7 | 35 | 8 | M 4 |
| STF440/7 | 7 | 40 | 8 | M 4 |
| STF445/7 | 7 | 45 | 8 | M 4 |
| STF450/7 | 7 | 50 | 8 | M 4 |