Related Resources: hardware
BS EN ISO 4032 Hexagon nuts style 1 – product grades A and B
Engineering ANSI Hardware Design Data
Engineering Metric Hardware Design Data
BS EN ISO 4032 Hexagon nuts style 1 – product grades A and B
Example for the designation of a hexagon nut, style 1, with thread size d M12 and property class 8:
Hexagon nut ISO 4032 – M12 – 8
All dimensions are in millimeters.
BS EN ISO 4032: 2001 Table 1 Preferred sizes Dimensions in mm
Thread size, d
|
M1.6
|
M2
|
M2.5
|
M3
|
M4
|
M5
|
M6
|
M8
|
M10
|
M12
|
|||
Pa
|
0.35
|
0.4
|
0.45
|
0.5
|
0.7
|
0.8
|
1
|
1.25
|
1.5
|
1.75
|
|||
c
|
max.
|
0.2
|
0.2
|
0.3
|
0.4
|
0.4
|
0.5
|
0.5
|
0.6
|
|
0.6
|
||
min.
|
0.1
|
0.1
|
0.1
|
0.15
|
0.15
|
0.15
|
0.15
|
0.15
|
0.15
|
0.15
|
|||
da
|
min.
|
1.6
|
2
|
2.5
|
3
|
4
|
5
|
6
|
8.
|
10
|
12
|
||
max.
|
1.84
|
2.3
|
2.9
|
3.45
|
4.6
|
5.75
|
6.75
|
8.75
|
10.8
|
13
|
|||
dw
|
min.
|
2.4
|
3.1
|
4.1
|
4.6
|
5.9
|
6.9
|
8.9
|
11.6
|
14.6
|
16.6
|
||
e
|
min.
|
3.41
|
4.32
|
5.45
|
6.01
|
7.66
|
8.79
|
11.05
|
14.38
|
17.77
|
20.03
|
||
m
|
max.
|
1.3
|
1.6
|
2
|
2.4
|
3.2
|
4.7
|
5.2
|
6.8
|
8.4
|
10.8
|
||
min.
|
1.05
|
1.35
|
1.75
|
2.15
|
2.9
|
4.4
|
4.9
|
6.44
|
8.04
|
10.37
|
|||
m'
|
min.
|
0.8
|
1.1
|
1.4
|
1.7
|
2.3
|
3.5
|
3.9
|
5.2
|
6.4
|
8.3
|
||
m''
|
min.
|
0.7
|
1
|
1.2
|
1.5
|
2
|
3.1
|
3.4
|
4.5
|
5.6
|
7.3
|
||
s
|
nom. = max.
|
3.2
|
4
|
5
|
5.5
|
7
|
8
|
10
|
13
|
16
|
18
|
||
min.
|
3.02
|
3.82
|
4.82
|
5.32
|
6.78
|
7.78
|
9.78
|
12.73
|
15.73
|
17.73
|
|||
Thread size, d
|
M16
|
M20
|
M24
|
M30
|
M36
|
M42
|
M48
|
M56
|
M64
|
-
|
|||
Pa
|
2
|
2.5
|
3
|
3.5
|
4
|
4.5
|
5
|
5.5
|
6
|
-
|
|||
c
|
max.
|
0.8
|
0.8
|
0.8
|
0.8
|
0.8
|
1
|
1
|
1
|
1
|
-
|
||
min.
|
0.2
|
0.2
|
0.2
|
0.2
|
0.2
|
0.3
|
0.3
|
0.3
|
0.3
|
-
|
|||
da
|
min.
|
16
|
20
|
24
|
30
|
36
|
42
|
48
|
56
|
64
|
-
|
||
max.
|
17.3
|
21.6
|
26.9
|
32.4
|
38.9
|
45.4
|
51.8
|
60.5
|
69.1
|
-
|
|||
dw
|
min.
|
22.5
|
27.7
|
33.3
|
42.8
|
51.1
|
60
|
69.5
|
78.7
|
88.2
|
-
|
||
e
|
min.
|
26.75
|
32.95
|
39.55
|
50.85
|
60.79
|
71.3
|
82.6
|
93.56
|
104.86
|
-
|
||
m
|
max.
|
14.8
|
18
|
21.5
|
25.6
|
31
|
34
|
38
|
45
|
51
|
-
|
||
min.
|
14.1
|
16.9
|
20.2
|
24.3
|
29.4
|
32.4
|
36.4
|
43.4
|
49.1
|
-
|
|||
m'
|
min.
|
11.3
|
13.5
|
16.2
|
19.4
|
23.5
|
25.9
|
29.1
|
34.7
|
39.3
|
-
|
||
m''
|
min.
|
9.9
|
11.8
|
4.1
|
17
|
20.6
|
22.7
|
25.5
|
30.4
|
34.4
|
-
|
||
s
|
min. = max.
|
24
|
30
|
36
|
46
|
55
|
65
|
75
|
85
|
95
|
-
|
||
min.
|
23.67
|
29.16
|
35
|
45
|
53.8
|
63.1
|
73.1
|
82.8
|
92.8
|
-
|
BS EN ISO 4032: 2001 Table 2 Non-preferred sizes
Thread size, d
|
M3.5
|
M14
|
M18
|
M22
|
M27
|
M33
|
M39
|
M45
|
M52
|
M60
|
||
Pa
|
0.6
|
2
|
2.5
|
2.5
|
3
|
3.5
|
4
|
4.5
|
5
|
5.5
|
||
c
|
max.
|
0.4
|
0.6
|
0.8
|
0.8
|
0.8
|
0.8
|
1
|
1
|
1
|
1
|
|
min.
|
0.15
|
0.15
|
0.2
|
0.2
|
0.2
|
0.2
|
0.3
|
0.3
|
0.3
|
0.3
|
||
da
|
min.
|
3.5
|
14
|
18
|
22
|
27
|
33
|
39
|
45
|
52
|
60
|
|
max.
|
4
|
15.1
|
19.5
|
23.7
|
29.1
|
35.6
|
42.1
|
48.6
|
56.2
|
64.8
|
||
dw
|
min.
|
5
|
19.6
|
24.9
|
31.4
|
38
|
46.6
|
55.9
|
64.7
|
74.2
|
83.4
|
|
e
|
min.
|
6.58
|
23.35
|
29.56
|
37.29
|
45.2
|
55.37
|
66.44
|
76.95
|
88.25
|
99.21
|
|
m
|
max.
|
2.8
|
12.8
|
15.8
|
19.4
|
23.8
|
28.7
|
33.4
|
36
|
42
|
48
|
|
min.
|
2.55
|
12.1
|
15.1
|
18.1
|
22.5
|
27.4
|
31.8
|
34.4
|
40.4
|
46.4
|
||
m'
|
min.
|
2
|
9.7
|
12.1
|
14.5
|
18
|
21.9
|
22.3
|
24.1
|
28.3
|
32.5
|
|
m''
|
min.
|
1.8
|
8.5
|
10.6
|
12.7
|
15.8
|
19.2
|
22.3
|
24.1
|
28.3
|
32.5
|
|
s
|
min. = max.
|
6
|
21
|
27
|
34
|
41
|
50
|
60
|
70
|
80
|
90
|
|
min.
|
5.82
|
20.67
|
26.16
|
33
|
40
|
49
|
58.8
|
68.1
|
78.14
|
87.7
|
aP = pitch of the thread.