DIN 979 Hex thin slotted and castle nuts-coarse and fine pitch thread Dimensions
| d Coarse Thread | d Fine Thread | e | m | s | w | |
|---|---|---|---|---|---|---|
| M 8 | 14.38 | 6.5 | 13 | 3.2 | ||
| M 10 | M 10x1 | 18.90 | 8 | 17 | 3.7 | |
| M 12 | M 12x1.5 | 21.10 | 10 | 19 | 4.7 | |
| M 14 | M 14x1.5 | 24.49 | 11 | 22 | 5.7 | |
| M 16 | M 16x1.5 | 26.75 | 13 | 24 | 6.64 | |
| M 18 | M 18x2 | M 18x1.5 | 29.56 | 15 | 27 | 8.64 |
| M 20 | M 20x2 | M 20x1.5 | 32.95 | 16 | 30 | 9.64 |
| M 22 | M 22x2 | M 22x1.5 | 37.29 | 18 | 34 | 9.64 |
| M 24 | M 24x2 | M 24x1.5 | 39.55 | 19 | 36 | 10.57 |
| M 27 | M 27.2 | M 27x1.5 | 42.20 | 22 | 41 | 13.50 |
| M 30 | M 30x2 | M 30x1.5 | 50.85 | 24 | 46 | 14.57 |
| M 33 | M 33x2 | M 33x1.5 | 55.37 | 26 | 50 | 16.57 |
| M 36 | M 36x3 | M 36x1.5 | 60.79 | 29 | 55 | 19.48 |
| M 39 | M 39x3 | M 39x1.5 | 66.44 | 31 | 60 | 21.48 |
| M 42 | M 42x3 | M 42x1.5 | 71.30 | 33 | 65 | 21.48 |
| M 45 | M 45x1.5 | 76.95 | 34 | 70 | 22.02 | |
| M 48 | M 48x3 | M 48x1.5 | 82.60 | 36 | 75 | 23.48 |
| M 52 | M 52x3 | M 52x1.5 M 52x2 |
88.25 | 38 | 80 | 25.48 |
s - size of the hexagon
e - the diameter of the circumscribed circle (not less than)
m - height of the nut
d - the nominal diameter of the thread
de - diameter of the crown
w - nut height at the crown