Dimensions for ISO 14584 Hexalobular socket raised countersunk head screws
| thread d | a max | b min | dk max | k max | TORX | A | t max. |
|---|---|---|---|---|---|---|---|
| M 2 | 0.8 | 25 | 4.4 | 1.2 | 6 | 1.75 | 0.77 |
| M 2.5 | 0.9 | 25 | 5.5 | 1.5 | 8 | 2.4 | 1.04 |
| M 3 | 1 | 25 | 6.3 | 1.65 | 10 | 2.8 | 1.15 |
| M 4 | 1.4 | 38 | 9.4 | 2.7 | 20 | 3.95 | 1.8 |
| M 5 | 1.6 | 38 | 10.4 | 2.7 | 25 | 4.5 | 2.03 |
| M 6 | 2 | 38 | 12.6 | 3.3 | 30 | 5.6 | 2.42 |
| M 8 | 2.5 | 38 | 17.3 | 4.65 | 45 | 7.95 | 3.31 |
| M 10 | 3 | 38 | 20 | 5 | 50 | 8.95 | 3.81 |