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SH/T 3404-1996
Fasteners for pipe flanges—Hexagon nuts with type I
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
8.4
8.04
18
17.57
M12
1|1.25|1.5|1.75
13
12
22.58
10.8
10.37
21
20.16
M14
1|1.5|2
15.1
14
25.94
12.8
12.1
24
23.16
M16
1|1.5|2
17.3
16
29.3
14.8
14.1
27
26.16
M18
1.5|2|2.5
19.5
18
32.66
15.8
15.1
30
29.16
M20
1.5|2|2.5
21.6
20
36.96
18
16.9
34
33
M22
1.5|2|2.5
23.7
22
39.2
19.4
18.1
36
35
M24
1.5|2|3
25.9
24
44.8
21.5
20.2
41
40
M27
1.5|2|3
29.1
27
50.4
23.8
22.5
46
45
M30
1.5|2|3.5
32.4
30
54.88
25.6
24.3
50
49
M33
1.5|2|3.5
35.6
33
60.26
28.7
27.4
55
53.8
M36
1.5|2|3|4
38.9
36
65.86
31
29.4
60
58.8
M39
1.5|2|3|4
42.1
39
70.67
33.4
31.8
65
63.1
M42
1.5|2|3|4|4.5
45.4
42
70.67
34
32.4
65
63.1
M45
1.5|2|3|4|4.5
48.6
45
76.27
36
34.4
70
68.1
M48
1.5|2|3|4|5
51.8
48
81.87
38
36.4
75
73.1
M52
1.5|2|3|4|5
56.2
52
87.47
42
40.4
80
78.1
M56
1.5|2|3|4|5.5
60.5
56
92.74
45
43.4
85
82.8
M64
1.5|2|3|4|6
69.1
64
103.94
51
49.1
95
92.8
M72
1.5|2|3|4|6
77.8
72
115.14
58
56.8
105
102.8
M76
1.5|2|3|4|6
82.1
76
120.74
61
59.8
110
107.8
M90
2|3|4|6
97.2
90
142.8
72
69.8
130
127.5
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