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DIN 6331-2003
Hexagon collar nuts with a height of 1.5d
Nom
P
h max
h min
dc max
dc min
e min
k max
k min
s max
s min
M6
1
3.125
2.875
14
13.73
11.05
9.29
8.71
10
9.78
M8
1.25
3.65
3.35
18
17.73
14.38
12.35
11.65
13
12.73
M10
1.5
4.15
3.85
22
21.67
17.77
15.35
14.65
16
15.73
M12
1.75
4.15
3.85
25
24.67
20.03
18.35
17.65
18
17.73
M16
2
5.15
4.85
31
30.61
26.75
24.42
23.58
24
23.67
M20
2.5
6.15
5.85
37
36.61
33.53
30.42
29.58
30
29.67
M24
3
6.15
5.85
45
44.61
39.98
36.5
35.5
36
35.38
M27
3
7.18
6.82
50
49.61
45.63
40.5
39.5
41
40.38
M30
3.5
8.18
7.82
58
57.54
51.28
45.5
44.5
46
45.38
M36
4
10.18
9.82
68
67.54
61.31
54.6
53.4
55
54.26
M42
4.5
12.215
11.785
80
79.54
72.61
63.6
62.4
65
64.26
M48
5
14.215
13.785
92
91.46
83.91
72.6
71.4
75
74.26
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