All measurements in millimeters (mm)
Metric DIN 6334 Hexagon Coupling Nuts also known as extension nuts are elongated fully threaded hex nuts that often used to join two externally threaded fasteners usually threaded rods. DIN 6334 metric hex nuts have a height of 3 x the major diameter of the thread.
| d1 | s | e | l |
|---|---|---|---|
| M6 | 10 | 11.05 | 18 |
| M8 | 13 | 14.38 | 24 |
| M10 | 17 | 18.9 | 30 |
| M12 | 19 | 21.1 | 36 |
| M14 | 22 | 22.49 | 42 |
| M16 | 24 | 26.75 | 48 |
| M18 | 27 | 29.56 | 54 |
| M20 | 30 | 33.53 | 60 |
| M22 | 32 | 35.03 | 66 |
| M24 | 36 | 41.6 | 72 |
| M27 | 41 | 45.2 | 81 |
| M30 | 46 | 50.85 | 825 |
| M33 | 50 | 55.37 | 99 |
| M36 | 55 | 60.79 | 108 |
Disclaimer
Dimensional data and technical information was obtained from publicly available sources and not acquired through standards agencies. It has been completed and compiled for reference purposes only; where discrepancies are found they are subject to change without notice. KAF makes no warranties or representations regarding the accuracy and validity of the compiled information and data. Contact the relevant standards authorities for accurate and detailed information.