钢网架螺栓球节点用高强度螺栓 (摘自GB/T 16939-1997)
螺纹规格为M12~M64×4钢网架螺栓球节点用高强度螺栓。
标记示例:
螺纹规格d=30mm、公称长度l=98mm、性能等级为10.9S、表面氧化的钢网架螺栓球节点用高强度螺栓的标记:
螺栓 GB/T 16939 M30×98
螺纹规格为M12~M64×4钢网架螺栓球节点用高强度螺栓:
螺纹规格
d
|
P
|
b
|
C≈
|
dK
|
da
|
K
|
r
min
|
da
max
|
l
|
l1
|
l2
参考
|
l3
|
n
|
t1
|
t2
|
min
|
max
|
max
|
min
|
max
|
min
|
公称
|
max
|
min
|
公称
|
max
|
min
|
公称
|
max
|
min
|
max
|
min
|
max
|
min
|
max
|
min
|
M12
|
1.75
|
15
|
18.5
|
1.5
|
18
|
17.38
|
12.35
|
11.65
|
6.4
|
7.15
|
5.65
|
0.8
|
15.20
|
50
|
50.80
|
49.20
|
18
|
18.35
|
17.65
|
10
|
4
|
3.3
|
3
|
2.8
|
2.2
|
2.3
|
1.7
|
M14
|
2
|
17
|
21
|
21
|
20.38
|
14.35
|
13.65
|
7.5
|
8.25
|
6.75
|
17.29
|
54
|
54.95
|
53.05
|
M16
|
2
|
20
|
24
|
24
|
23.38
|
16.35
|
15.65
|
10
|
10.75
|
9.25
|
19.20
|
62
|
62.95
|
61.05
|
22
|
22.42
|
21.58
|
13
|
M20
|
2.5
|
25
|
30
|
30
|
29.38
|
20.42
|
19.58
|
12.5
|
13.4
|
11.6
|
1.0
|
24.40
|
73
|
73.95
|
72.05
|
24
|
24.42
|
23.58
|
16
|
5.3
|
5
|
3.30
|
2.70
|
2.80
|
2.20
|
M22
|
2.5
|
27
|
32
|
2.0
|
34
|
33.38
|
22.42
|
21.58
|
14
|
14.9
|
13.1
|
26.40
|
75
|
75.95
|
74.05
|
M24
|
3
|
30
|
36
|
36
|
35.38
|
24.42
|
23.58
|
15
|
15.9
|
14.1
|
28.40
|
82
|
83.1
|
80.9
|
18
|
M27
|
3
|
33
|
39
|
41
|
40.38
|
27.42
|
26.58
|
17
|
17.9
|
16.1
|
1.5
|
32.40
|
90
|
91.1
|
88.9
|
28
|
28.42
|
27.58
|
20
|
6.3
|
6
|
4.38
|
3.62
|
3.30
|
2.70
|
M30
|
3.5
|
37
|
44
|
2.5
|
46
|
45.38
|
30.42
|
29.58
|
18.7
|
19.75
|
17.65
|
35.40
|
98
|
99.1
|
96.9
|
24
|
M33
|
3.5
|
40
|
47
|
50
|
49.38
|
33.50
|
32.50
|
21
|
22.05
|
19.95
|
38.40
|
101
|
102.1
|
99.9
|
M36
|
4
|
44
|
52
|
55
|
54.26
|
36.50
|
35.50
|
22.5
|
23.55
|
21.42
|
42.40
|
125
|
126.25
|
123.75
|
43
|
43.50
|
42.50
|
26
|
8.36
|
8
|
5.38
|
4.62
|
4.38
|
3.62
|
M39
|
4
|
47
|
55
|
3.0
|
60
|
59.26
|
39.50
|
38.50
|
25
|
26.05
|
23.95
|
2.0
|
45.40
|
128
|
129.25
|
126.75
|
43
|
43.50
|
42.50
|
26
|
4
|
8.36
|
8
|
5.38
|
4.62
|
4.38
|
3.62
|
M42
|
4.5
|
50
|
59
|
65
|
64.26
|
42.50
|
41.50
|
26
|
27.50
|
24.95
|
48.60
|
136
|
137.25
|
134.75
|
30
|
M45
|
4.5
|
55
|
64
|
70
|
69.26
|
45.50
|
44.50
|
28
|
29.05
|
26.95
|
52.60
|
145
|
146.25
|
143.75
|
48
|
48.50
|
47.50
|
M48
|
5
|
58
|
68
|
75
|
74.26
|
48.50
|
47.50
|
30
|
31.05
|
28.95
|
56.60
|
148
|
149.25
|
146.75
|
M52
|
5
|
62
|
72
|
80
|
79.26
|
52.60
|
51.40
|
33
|
34.25
|
31.75
|
62.60
|
162
|
163.25
|
160.75
|
38
|
56×4
|
4
|
66
|
74
|
90
|
89.13
|
56.60
|
55.40
|
35
|
36.25
|
33.75
|
2.5
|
67.00
|
172
|
173.25
|
170.75
|
53
|
53.60
|
52.40
|
42
|
60×4
|
4
|
70
|
78
|
3.5
|
95
|
94.13
|
60.60
|
59.40
|
38
|
39.25
|
36.75
|
71.00
|
196
|
197.45
|
194.55
|
57
|
64×4
|
4
|
74
|
82
|
100
|
99.13
|
64.60
|
63.40
|
40
|
41.25
|
38.75
|
75.00
|
205
|
206.45
|
203.55
|
58
|
58.60
|
57.40
|