T形槽用螺栓(摘自GB 37-88)
螺纹规格为M5～M48、B级的T形槽用螺栓。
标记示例：
螺纹规格d＝M10、公称长度l＝100mm、性能等级为8.8级、表面氧化的T形槽用螺栓的标记：
螺栓 GB 37 M10×100
螺纹规格为M5～M48的T形槽用螺栓：
|
螺纹规格
d
|
b
|
da
max
|
ds
|
D
|
lf
max
|
K
|
r
min
|
h
|
s
|
X
max
|
l
|
|
l≤125
|
125<l≤125
|
l>200
|
max
|
min
|
max
|
min
|
公称
|
min
|
max
|
|
M5
|
16
|
—
|
—
|
5.7
|
5
|
4.70
|
12
|
1.2
|
4.24
|
3.76
|
0.20
|
2.8
|
9
|
8.64
|
9.00
|
2.0
|
25～50
|
|
M6
|
18
|
—
|
—
|
6.8
|
6
|
5.70
|
16
|
1.4
|
5.24
|
4.76
|
0.25
|
3.4
|
12
|
11.57
|
12.00
|
2.5
|
30～60
|
|
M8
|
22
|
28
|
—
|
9.2
|
8
|
7.64
|
20
|
2
|
6.24
|
5.76
|
0.40
|
4.1
|
14
|
13.57
|
14.00
|
3.2
|
35～80
|
|
M10
|
26
|
32
|
—
|
11.2
|
10
|
9.64
|
25
|
2
|
7.29
|
6.71
|
0.40
|
4.8
|
18
|
17.57
|
18.00
|
3.8
|
40～100
|
|
M12
|
30
|
36
|
—
|
13.7
|
12
|
11.57
|
30
|
3
|
8.89
|
8.31
|
0.60
|
6.5
|
22
|
21.16
|
22.00
|
4.2
|
45～120
|
|
M16
|
38
|
44
|
57
|
17.7
|
16
|
15.57
|
38
|
3
|
11.95
|
11.25
|
0.60
|
9
|
28
|
27.16
|
28.00
|
5
|
55～160
|
|
M20
|
46
|
52
|
65
|
22.4
|
20
|
19.48
|
46
|
4
|
14.35
|
13.65
|
0.80
|
10.4
|
34
|
33.00
|
34.00
|
6.3
|
65～200
|
|
M24
|
54
|
60
|
73
|
26.4
|
24
|
23.48
|
58
|
4
|
16.35
|
15.65
|
0.80
|
11.8
|
44
|
43.00
|
44.00
|
7.5
|
80～240
|
|
M30
|
66
|
72
|
85
|
33.4
|
30
|
29.48
|
75
|
6
|
20.42
|
19.58
|
1.00
|
14.5
|
56
|
54.80
|
56.00
|
8.8
|
90～300
|
|
M36
|
78
|
84
|
97
|
39.4
|
36
|
35.38
|
85
|
6
|
24.42
|
23.58
|
1.00
|
18.5
|
67
|
65.10
|
67.00
|
10
|
110～300
|
|
M42
|
—
|
96
|
109
|
45.6
|
42
|
41.38
|
95
|
8
|
28.42
|
27.58
|
1.20
|
22.0
|
76
|
74.10
|
76.00
|
11.3
|
130～300
|
|
M48
|
—
|
108
|
121
|
52.6
|
48
|
47.38
|
105
|
10
|
32.50
|
31.50
|
1.60
|
26.0
|
86
|
83.80
|
86.00
|
12.5
|
140<300
|
l的范围：
|
公称
|
25
|
30
|
35
|
40
|
45
|
50
|
(55)
|
60
|
(65)
|
70
|
80
|
90
|
100
|
110
|
120
|
130
|
140
|
150
|
160
|
180
|
200
|
|
min
|
23.95
|
28.95
|
33.75
|
38.75
|
43.75
|
48.75
|
53.5
|
58.5
|
63.5
|
68.5
|
78.5
|
88.25
|
98.25
|
108.2
|
118.25
|
128
|
138
|
148
|
158
|
178
|
197.7
|
|
max
|
26.05
|
31.0
|
36.25
|
41.25
|
46.25
|
51.25
|
56.5
|
61.5
|
66.5
|
71.5
|
81.5
|
91.75
|
101.7
|
111.75
|
121.75
|
132
|
142
|
152
|
162
|
182
|
202.3
|
|
公称
|
220
|
240
|
260
|
280
|
300
|
|
min
|
217.7
|
237.7
|
257.4
|
277.4
|
297.4
|
|
max
|
222.3
|
242.3
|
262.6
|
282.6
|
302.6
|
