EN 14399-4

replaces DIN 6915

Hexagon nuts for high-strength structural bolting, system HV

tech-en14399-4-nuts


Screw Thread
d		 M12 M16 M20 M22
P Pitch 1.75 2 2.5 2.5
da max 13 17.3 21.6 23.7
max 12 16 20 22
dw min 20.1 24.9 29.5 33.3
e min 23.91 29.56 35.03 39.55
m max=nominal size 10 13 16 18
min 9.64 12.3 14.9 16.9
mw min 7.71 9.84 11.92 13.52
s max 22 27 32 36
min 21.16 26.16 31 35
per 1000 units ≈ kg 23.3 44.8 73.9 104

Screw Thread
d		 M24 M27 M30 M36
P Pitch 3 3 3.5 4
da max 25.9 29.1 32.4 38.9
max 24 27 30 36
dw min 38 42.8 46.6 55.9
e min 45.2 50.85 55.37 66.44
m max=nominal size 20 22 24 29
min 18.7 20.7 22.7 27.7
mw min 14.96 16.56 18.16 22.16
s max 41 46 50 60
min 40 45 49 58.8
per 1000 units ≈ kg 163 224 300 515



*acc. to DAST directive


All information is strictly informative