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SH/T 3404-1996
Fasteners for pipe flanges—Hexagon nuts with type II
Nom
P
da max
da min
e min
k max
k min
s max
s min
M10
1|1.25|1.5
10.8
10
19.6
10.3
9.9
18
17.57
M12
1|1.25|1.5|1.75
13
12
22.58
12.3
11.8
21
20.16
M14
1|1.5|2
15.1
14
25.94
14.3
13.6
24
23.16
M16
1|1.5|2
17.3
16
29.3
16.4
15.7
27
26.16
M18
1.5|2|2.5
19.5
18
32.66
18.4
17.7
30
29.16
M20
1.5|2|2.5
21.6
20
36.96
20.4
19.3
34
33
M22
1.5|2|2.5
23.7
22
39.2
22.4
21.1
36
35
M24
1.5|2|3
25.9
24
44.8
24.4
23.1
41
40
M27
1.5|2|3
29.1
27
50.4
27.4
26.1
46
45
M30
1.5|2|3.5
32.4
30
54.88
30.4
29.1
50
49
M33
1.5|2|3.5
35.6
33
60.26
33.5
32.2
55
53.8
M36
1.5|2|3|4
38.9
36
65.86
36.5
34.9
60
58.8
M39
1.5|2|3|4
42.1
39
70.67
39.5
37.9
65
63.1
M42
1.5|2|3|4|4.5
45.4
42
70.67
42.5
40.9
65
63.1
M45
1.5|2|3|4|4.5
48.6
45
76.27
45.5
43.9
70
68.1
M48
1.5|2|3|4|5
51.8
48
81.87
48.5
46.9
75
73.1
M52
1.5|2|3|4|5
56.2
52
87.47
52.5
50.9
80
78.1
M56
1.5|2|3|4|5.5
60.5
56
92.74
56.5
54.9
85
82.8
M64
1.5|2|3|4|6
69.1
64
103.94
64.5
62.6
95
92.8
M72
1.5|2|3|4|6
77.8
72
115.14
72.5
70.6
105
102.8
M76
1.5|2|3|4|6
82.1
76
120.74
76.5
74.6
110
107.8
M90
2|3|4|6
97.2
90
142.8
90.5
88.3
130
127.5
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