| Code | Hex Size | L | C | Thread |
|---|---|---|---|---|
| STF307 | 6 | 7 | 7 | M 3 |
| STF308 | 6 | 8 | 8 | M 3 |
| STF310 | 6 | 10 | 10 | M 3 |
| STF311 | 6 | 11 | 11 | M 3 |
| STF312 | 6 | 12 | 12 | M 3 |
| STF313 | 6 | 13 | 13 | M 3 |
| STF314 | 6 | 14 | 14 | M 3 |
| STF315 | 6 | 15 | 15 | M 3 |
| STF316 | 6 | 16 | 16 | M 3 |
| STF317 | 6 | 17 | 17 | M 3 |
| STF318 | 6 | 18 | 18 | M 3 |
| STF319 | 6 | 19 | 19 | M 3 |
| STF320 | 6 | 20 | 20 | M 3 |
| STF322 | 6 | 22 | 6 | M 3 |
| STF325 | 6 | 25 | 6 | M 3 |
| STF327 | 6 | 27 | 6 | M 3 |
| STF328 | 6 | 28 | 6 | M 3 |
| STF330 | 6 | 30 | 6 | M 3 |
| STF335 | 6 | 35 | 6 | M 3 |
| STF337 | 6 | 37 | 6 | M 3 |
| STF338 | 6 | 38 | 6 | M 3 |
| STF340 | 6 | 40 | 6 | M 3 |
| STF342 | 6 | 42 | 6 | M 3 |
| STF345 | 6 | 45 | 6 | M 3 |
| STF350 | 6 | 50 | 6 | M 3 |
| STF355 | 6 | 55 | 6 | M 3 |
| STF360 | 6 | 60 | 6 | M 3 |