紧固件用沉孔尺寸(GB/T152.2～152.4-1988) (mm)
|
沉头用沉孔
(GB/T152.2—
1988)
|
|
规格
|
1.6
|
2
|
2.5
|
3
|
3.5
|
4
|
5
|
6
|
8
|
10
|
12
|
14
|
16
|
20
|
|
d2
|
3.7
|
4.5
|
5.6
|
6.4
|
8.4
|
9.6
|
10.6
|
12.6
|
17.6
|
20.3
|
24.4
|
28.4
|
32.4
|
40.4
|
|
t≈
|
1.0
|
1.2
|
1.5
|
1.6
|
2.4
|
2.7
|
2.7
|
3.3
|
4.6
|
5.0
|
6.0
|
7.0
|
8.0
|
10.0
|
|
d1
|
1.8
|
2.4
|
2.9
|
3.4
|
3.9
|
4.5
|
5.5
|
6.6
|
9.0
|
11.0
|
13.6
|
15.5
|
17.5
|
32.0
|
|
圆柱头用沉孔
(GB/T152.3—
1988)
|
|
适用于
GB/T 70
的圆柱
头沉孔
|
规格
|
1.6
|
2
|
2.5
|
3
|
4
|
5
|
6
|
8
|
10
|
12
|
14
|
16
|
20
|
24
|
30
|
36
|
|
d2
|
3.3
|
4.3
|
5.0
|
6.0
|
8.0
|
10.0
|
11.0
|
15.0
|
18.0
|
20.0
|
24.0
|
26.0
|
33.0
|
40.0
|
48.0
|
57.0
|
|
t
|
1.8
|
2.3
|
2.9
|
3.4
|
4.6
|
5.7
|
6.8
|
9.0
|
11.0
|
13.0
|
15.0
|
17.5
|
21.5
|
25.5
|
32.0
|
38.0
|
|
d3
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
16
|
18
|
20
|
24
|
28
|
36
|
42
|
|
d1
|
1.8
|
2.4
|
2.9
|
3.4
|
4.5
|
5.5
|
6.6
|
9.0
|
11.0
|
13.5
|
15.5
|
17.5
|
22.0
|
26.0
|
33.0
|
39.0
|
|
适用于
GB/T 65
用圆柱
头沉孔
|
规格
|
4
|
5
|
6
|
8
|
10
|
12
|
14
|
16
|
20
|
|
d2
|
8
|
10
|
11
|
15
|
18
|
20
|
24
|
26
|
36
|
|
t
|
3.2
|
4
|
4.7
|
6.0
|
7.0
|
8.0
|
9.0
|
10.5
|
12.5
|
|
d3
|
—
|
—
|
—
|
—
|
—
|
16
|
18
|
20
|
24
|
|
d2
|
4.5
|
5.5
|
6.6
|
9.0
|
11.0
|
13.5
|
15.5
|
17.5
|
22.0
|
|
六角头螺栓和
六角螺母用沉
孔(GB/T152.4
—1988)
|
|
规格
|
1.6
|
2
|
2.5
|
3
|
4
|
5
|
6
|
8
|
10
|
12
|
14
|
16
|
18
|
20
|
|
d2
|
5
|
6
|
8
|
9
|
10
|
11
|
13
|
18
|
22
|
26
|
30
|
33
|
36
|
40
|
|
d3
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
16
|
18
|
20
|
22
|
24
|
|
d1
|
1.8
|
2.4
|
2.9
|
3.4
|
4.5
|
5.5
|
6.6
|
9.0
|
11.0
|
13.5
|
15.5
|
17.5
|
20.0
|
22.0
|
|
规格
|
22
|
24
|
27
|
30
|
33
|
36
|
39
|
42
|
45
|
48
|
52
|
55
|
60
|
64
|
|
d2
|
43
|
48
|
53
|
61
|
66
|
71
|
76
|
82
|
89
|
98
|
107
|
112
|
118
|
125
|
|
d3
|
26
|
28
|
33
|
36
|
39
|
42
|
45
|
48
|
51
|
56
|
60
|
68
|
72
|
76
|
|
d1
|
24
|
26
|
30
|
33
|
36
|
39
|
42
|
45
|
48
|
52
|
56
|
62
|
66
|
70
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
