ISO 7043
ISO 7043, Prevailing Torque Type Flange Lock Nuts / Hexagon Lock Nuts with Flange ( Non-metal Insert ) dimension
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ISO 7043, Prevailing Torque Type Flange Lock Nuts dimension as below:
| D | dc | h max | h min | s max | s min |
| M5 | 11.8 | 7.1 | 6.52 | 8 | 7.78 |
| M6 | 14.2 | 9.1 | 8.52 | 10 | 9.78 |
| M8 | 17.9 | 11.1 | 10.4 | 13 | 12.73 |
| M10 | 21.8 | 13.5 | 12.8 | 15 | 14.73 |
| M12 | 26 | 16.1 | 15.4 | 18 | 17.73 |
| M14 | 29.9 | 18.2 | 16.9 | 21 | 20.67 |
| M16 | 34.5 | 20.3 | 19 | 24 | 23.67 |
| M20 | 42.8 | 24.8 | 22.7 | 30 | 29.16 |