 |
ISO 14579-2011(E) Torx screw
Hexalobular socket head cap screws
Hexalobular internal driving feature ISO 10664-2014
Mechanical property ISO 898-1:2013(E)
Class 8.8 . 9.8 . 10.9 . 12.9
Marking NE 8.8 / 10.9 / 12.9
Raw material : 10B21 . 5140 . 4135 . 4140 . SCM435
Thread,d | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 |
| pa | 0.40 | 0.45 | 0.50 | 0.70 | 0.80 | 1.00 | 1.25 | 1.50 | 1.75 | 2.00 | 2.00 |
| bb ref. | 16 | 17 | 18 | 20 | 22 | 24 | 28 | 32 | 36 | 40 | 44 |
| dk max.c | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 21 | 24 |
| dk max.d | 3.98 | 4.68 | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | 16.27 | 18.27 | 21.33 | 24.33 |
| dk min. | 3.62 | 4.32 | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 |
| da max. | 2.6 | 3.1 | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 |
| ds max. | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 |
| ds min. | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 |
| lf max. | 0.51 | 0.51 | 0.51 | 0.6 | 0.6 | 0.68 | 1.02 | 1.02 | 1.45 | 1.45 | 1.45 |
| k max. | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 |
| k min. | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | 11.57 | 13.57 | 15.57 |
| r min. | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 |
| v max. | 0.2 | 0.25 | 0.3 | 0.4 | 0.5 | 0.6 | 0.8 | 1 | 1.2 | 1.4 | 1.6 |
| dw min. | 3.48 | 4.18 | 5.07 | 6.53 | 8.03 | 9.38 | 12.33 | 15.33 | 17.23 | 20.17 | 23.17 |
| w min. | 0.55 | 0.85 | 1.15 | 1.4 | 1.9 | 2.3 | 3.3 | 4 | 4.8 | 5.8 | 6.8 |
| Socket no. | 6 | 8 | 10 | 20 | 25 | 30 | 45 | 50 | 55 | 60 | 70 |
| A ref. | 1.75 | 2.4 | 2.8 | 3.95 | 4.5 | 5.6 | 7.95 | 8.95 | 11.35 | 13.45 | 15.7 |
| t max. | 0.84 | 1.04 | 1.27 | 1.8 | 2.03 | 2.42 | 3.31 | 4.02 | 5.21 | 5.99 | 7.01 |
| t min. | 0.71 | 0.91 | 1.01 | 1.42 | 1.65 | 2.02 | 2.92 | 3.62 | 4.82 | 5.62 | 6.62 |
