Security Self Tapping Screws Pin in Torx Drive Countersunk Flat Head Stainless Steel
| Dia. (D) | Pitch (P) | Head Dia.(dk) | Head Angle | Driver (Torx) |
| ST2.2 | 0.86 | 3.8-3.5 | 90° | T6 |
| ST2.9 | 1.06 | 5.5-5.2 | T10 | |
| ST3.5 | 1.27 | 7.3-6.9 | T15 | |
| ST3.9 | 1.34 | 7.5-7.14 | T20 | |
| ST4.2 | 1.41 | 8.4-8 | T20 | |
| ST4.8 | 1.59 | 9.3-8.9 | T25 | |
| ST5.5 | 1.81 | 10.3-9.9 | T30 | |
| ST6.3 | 1.81 | 11.3-10.9 | T30 | |
| ST8.0 | 2.11 | 15.8-15.4 | T40 |
