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BS EN ISO 4035 Hexagon thin nuts

Engineering ANSI Hardware Design Data
Engineering Metric Hardware Design Data

BS EN ISO 4035 Hexagon thin nuts chamfered – product grades A and B

Example for the designation of a chamfered thin nut with thread size d = M12 and property class 05:
Hexagon thin nut ISO 4035 – M12 – 05

All dimensions are in millimeters.

BS EN ISO 4035 Hexagon thin nuts chamfered

Preferred Sizes BS EN ISO 4035 Hexagon thin nuts chamfered Table 2 – product grades A and B 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
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
5.32
5.45
6.01
7.66
8.79
11.05
14.38
17.77
20.03
m
max.
1
1.2
1.6
1.8
2.2
2.7
3.2
4
5
6
min.
0.75
0.95
1.35
1.55
1.95
2.45
2.9
3.7
4.7
5.7
m'
min.
0.6
0.8
1.1
1.2
1.6
2
2.3
3
3.8
4.6
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

aP = pitch of the thread.

Non-Preferred Sizes BS EN ISO 4035 Hexagon thin nuts chamfered Table 2 – product grades A and B Dimensions in mm

Thread size, d
M3.5
M14
M18
M22
M27
M33
M39
M45M
M52
M60
Pa
0.6
2
2.5
2.5
3
3.5
4
4.5
5
5.5
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.
5.1
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
79.95
88.25
99.21
m
max.
2
7
9
11
13.5
16.5
19.5
22.5
26
30
min.
1.75
6.42
8.42
9.9
12.4
15.4
18.2
21.2
24.7
28.7
m'
min.
1.4
5.1
6.7
7.9
9.9
12.3
14.6
17
19.8
23
s
nom. = 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
78.1
87.8

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