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Weld hexagon nuts with flange

ISO 21670 - 2003

Display drawing:

Screw Thread M5 M6 M8 M10 M12 M14 M16
D 5 6 8 10 12 14 16
P Coarse Thread 0.8 1 1.25 1.5 1.75 2 2
P Fine Thread None None None None 1.5 1.5 1.5
H1 Max 0.9 0.9 1.1 1.3 1.3 1.3 1.3
H1 Min 0.7 0.7 0.9 1.1 1.1 1.1 1.1
Dc Max 15.5 18.5 22.5 26.5 30.5 33.5 36.5
Dc Min 14.5 17.5 21.5 25.5 29.5 32.5 35.5
H Nominal 1.7 2 2.5 3 3 4 4
H Max 1.95 2.25 2.75 3.25 3.25 4.25 4.25
H Min 1.45 1.75 2.25 2.75 2.75 3.75 3.75
N Nominal 4 5 6 7 8 8 8
N Max 4.1 5.1 6.1 7.1 8.1 8.1 8.1
N Min 3.9 4.9 5.9 6.9 7.9 7.9 7.9
K Max 5 7 10 13 15 17 19.5
K Min 4.7 6.64 9.64 12.57 14.57 16.16 18.66
S Max 8 10 13 16 18 21 24
S Min 7.64 9.64 12.57 15.57 17.57 20.48 23.48