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DL/T 284-2012
Hot dip galvanizing bolts for tower of transmission lines
Nom
P
da max
ds max
ds min
e min
k max
k min
r min
s max
s min
b min
b max
M10
1.5
12.2
10.58
9.42
17.59
6.85
5.95
0.4
16
15.57
14
24
M12
1.75
14.7
12.7
11.3
19.85
7.95
7.05
0.6
18
17.57
17
30
M16
2
18.7
16.7
15.3
26.17
10.75
9.25
0.6
24
23.16
22
38
M18
2.5
21.2
18.7
17.3
29.56
12.4
10.6
0.6
27
26.16
24
41
M20
2.5
24.4
20.84
19.16
32.95
13.4
11.6
0.8
30
29.16
27
46
M22
2.5
26.4
22.84
21.16
37.29
14.9
13.1
0.8
34
33
28
48
M24
3
28.4
24.84
23.16
39.55
15.9
14.1
0.8
36
35
31
54
M27
3
32.4
27.84
26.16
45.2
17.9
16.1
1
41
40
34
58
M30
3.5
35.4
30.84
29.16
50.85
19.75
17.65
1
46
5
37
63
M33
3.5
38.4
34
32
55.37
22.05
19.95
1
50
49
40
70
M36
4
42.4
37
35
60.79
23.55
21.45
1
55
53.8
44
76
M39
4
45.4
40
38
66.44
26.05
23.95
1
60
58.8
46
81
M42
4.5
48.6
43
41
71.3
27.05
24.95
1.2
65
63.1
48
83
M45
4.5
52.6
46
44
76.95
29.05
26.95
1.2
70
68.1
50
87
M48
5
56.6
49
47
82.6
31.05
28.95
1.6
75
73.1
54
93
M52
5
62.6
53.2
50.8
88.25
34.25
31.75
1.6
80
78.1
58
101
M56
5.5
67
57.2
54.8
93.56
36.25
33.75
2
85
82.8
62
108
M60
5.5
71
61.2
58.8
99.21
39.25
36.75
2
90
87.8
65
114
M64
6
75
65.2
62.8
104.86
41.25
38.75
2
95
92.8
70
123
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