DIN 7976 Hexagon head self tapping screws Dimensions
| Thread | p | a | e | k | r | s | y max | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| max | min | nominal | min | max | max | nominal=max | min | Type C | Type F | ||
| ST 2.2 | 0.8 | 0.8 | 3.38 | 1.3 | 1.18 | 1.42 | 0.3 | 3.2 | 3.02 | 2 | 1.6 |
| ST 2.9 | 1.1 | 1.1 | 5.4 | 1.5 | 1.38 | 1.62 | 0.4 | 5 | 4.82 | 2.6 | 2.1 |
| ST 3.5 | 1.3 | 1.3 | 5.95 | 2.3 | 2.18 | 2.42 | 0.5 | 5.5 | 5.32 | 3.2 | 2.5 |
| ST 3.9 | 1.3 | 1.3 | 7.59 | 2.3 | 2.18 | 2.42 | 0.5 | 7 | 6.78 | 3.5 | 2.7 |
| ST 4.2 | 1.4 | 1.4 | 7.59 | 2.8 | 2.68 | 2.92 | 0.6 | 7 | 6.78 | 3.7 | 2.8 |
| ST 4.8 | 1.6 | 1.6 | 8.71 | 3 | 2.88 | 3.12 | 0.7 | 8 | 7.78 | 4.3 | 3.2 |
| ST 5.5 | 1.8 | 1.8 | 8.71 | 4 | 3.85 | 4.15 | 0.8 | 8 | 7.78 | 5 | 3.6 |
| ST 6.3 | 1.8 | 1.8 | 10.95 | 4.8 | 4.65 | 4.95 | 0.9 | 10 | 9.78 | 6 | 3.6 |
| ST 8 | 2.1 | 2.1 | 14.26 | 5.8 | 5.65 | 5.95 | 1.1 | 10 | 12.73 | 7.5 | 4.2 |