Related Resources: hardware
BS EN ISO 4034 Hexagon nuts style 1 – product grade C
Engineering ANSI Hardware Design Data
Engineering Metric Hardware Design Data
BS EN ISO 4034 Hexagon nuts style 1 – product grade C
Example for the designation of a hexagon nut with thread size d = M12 andproperty class 5:
Hexagon nut ISO 4034 – M12 – 5
All dimensions are in millimeters.
BS EN ISO 4034 Hex Nuts Table 1 Preferred sizes Dimensions in mm
Thread size, d
|
M5
|
M6
|
M8
|
M10
|
M12
|
M16
|
M20
|
||
Pa
|
0.8
|
1
|
1.25
|
1.5
|
1.75
|
2
|
2.5
|
||
dw
|
min.
|
6.7 | 8.7 | 11.5 | 14.5 | 16.5 | 22 | 27.7 | |
e
|
min.
|
8.63 | 10.89 | 14.20 | 17.59 | 19.85 | 26.17 | 32.95 | |
m
|
max.
|
5.6 | 6.1 | 7.9 | 9.5 | 12.2 | 15.9 | 19 | |
min.
|
4.4 | 4.6 | 6.4 | 8 | 10.4 | 14.1 | 16.9 | ||
m'
|
min.
|
3.5 | 3.7 | 5.1 | 6.4 | 8.3 | 11.3 | 13.5 | |
s
|
nom. = max.
|
8 | 10 | 13 | 16 | 18 | 24 | 30 | |
min.
|
7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 23.16 | 29.16 |
Thread size, d
|
M24 | M30 | M36 | M42 | M48 | M56 | M56 | ||
Pa
|
3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | ||
dw
|
min.
|
33.3 | 42.8 | 51.1 | 60 | 69.5 | 78.7 | 88.2 | |
e
|
min.
|
39.55 | 50.85 | 60.79 | 72.02 | 82.6 | 93.56 | 104.86 | |
m
|
max.
|
22.3 | 26.4 | 31.5 | 34.9 | 38.9 | 45.9 | 52.4 | |
min.
|
20.2 | 24.3 | 28 | 32.4 | 36.4 | 43.4 | 49.4 | ||
m'
|
min.
|
16.2 | 19.5 | 22.4 | 25.9 | 29.1 | 34.7 | 39.5 | |
s
|
nom. = max.
|
36 | 46 | 55 | 65 | 75 | 85 | 95 | |
min.
|
35 | 45 | 53.8 | 63.1 | 73.1 | 82.8 | 92.8 |
aP = pitch of the thread.
BS EN ISO 4034 Table 2 Non-preferred sizes
Thread size, d
|
M14 | M18 | M22 | M27 | M33 | M39 | M45 | M62 | M60 | ||
Pa
|
2 | 2.5 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | ||
dw
|
min.
|
19.2 | 24.9 | 31.4 | 38 | 46.6 | 55.9 | 64.7 | 74.2 | 83.4 | |
e
|
min.
|
22.78 | 29.56 | 37.29 | 45.2 | 55.37 | 66.44 | 79.95 | 88.25 | 99.21 | |
m
|
max.
|
13.9 | 16.9 | 20.2 | 24.7 | 29.5 | 34.3 | 36.9 | 42.9 | 48.9 | |
min.
|
12.1 | 15.1 | 18.1 | 22.6 | 27.4 | 31.8 | 34.4 | 40.4 | 46.4 | ||
m'
|
min.
|
9.7 | 12.1 | 14.5 | 18.1 | 21.9 | 25.4 | 27.5 | 32.3 | 37.1 | |
s
|
nom. = max.
|
21 | 27 | 34 | 41 | 50 | 60 | 70 | 80 | 90 | |
min.
|
20.16 | 26.16 | 33 | 40 | 49 | 58.8 | 68.1 | 78.1 | 87.8 |