| Code | Hex Size | L | C | Thread |
|---|---|---|---|---|
| STF510/8 | 8 | 10 | 10 | M 5 |
| STF512/8 | 8 | 12 | 12 | M 5 |
| STF513/8 | 8 | 13 | 13 | M 5 |
| STF515/8 | 8 | 15 | 15 | M 5 |
| STF516/8 | 8 | 16 | 16 | M 5 |
| STF517/8 | 8 | 17 | 17 | M 5 |
| STF518/8 | 8 | 18 | 18 | M 5 |
| STF520/8 | 8 | 20 | 20 | M 5 |
| STF522/8 | 8 | 22 | 22 | M 5 |
| STF525/8 | 8 | 25 | 25 | M 5 |
| STF528/8 | 8 | 28 | 8 | M 5 |
| STF530/8 | 8 | 30 | 8 | M 5 |
| STF535/8 | 8 | 35 | 8 | M 5 |
| STF540/8 | 8 | 40 | 8 | M 5 |
| STF545/8 | 8 | 45 | 8 | M 5 |
| STF550/8 | 8 | 50 | 8 | M 5 |
| STF555/8 | 8 | 55 | 8 | M 5 |
| STF560/8 | 8 | 60 | 8 | M 5 |