半沉头铆钉 （摘自GB870-86）
公称直径d=1～16mm的半沉头铆钉。
标记示例：
公称直径d=6mm、公称长度l=30mm、材料为BL2、不经表面处理的半沉头铆钉的标记：
铆钉 GB 870 6×30
公称直径d=1～16mm的半沉头铆钉：
d
|
dk
|
a
|
K≈
|
W≈
|
r
max
|
b
max
|
R≈
|
l
|
公称
|
max
|
min
|
max
|
min
|
1
|
1.06
|
0.94
|
2.03
|
1.77
|
90°
|
0.8
|
0.5
|
0.1
|
0.2
|
1.8
|
2～8
|
(1.2)
|
1.26
|
1.14
|
2.23
|
1.97
|
90°
|
0.85
|
0.5
|
0.1
|
0.2
|
1.8
|
2.5～8
|
1.4
|
1.46
|
1.34
|
2.83
|
2.57
|
90°
|
1.1
|
0.7
|
0.1
|
0.2
|
2.5
|
3～12
|
(1.6)
|
1.66
|
1.54
|
3.03
|
2.77
|
90°
|
1.15
|
0.7
|
0.1
|
0.2
|
2.6
|
3～12
|
2
|
2.06
|
1.94
|
4.05
|
3.75
|
90°
|
1.55
|
1
|
0.1
|
0.2
|
3.8
|
3.5～16
|
2.5
|
2.56
|
2.44
|
4.75
|
4.45
|
90°
|
1.8
|
1.1
|
0.1
|
0.2
|
4.2
|
5～18
|
3
|
3.06
|
2.94
|
5.35
|
5.05
|
90°
|
2.05
|
1.2
|
0.1
|
0.2
|
4.5
|
5～22
|
(3.5)
|
3.58
|
3.42
|
6.28
|
5.92
|
90°
|
2.4
|
1.4
|
0.3
|
0.4
|
5.3
|
6～24
|
4
|
4.08
|
3.92
|
7.18
|
6.82
|
90°
|
2.7
|
1.6
|
0.3
|
0.4
|
6.3
|
6～30
|
5
|
5.08
|
4.92
|
8.98
|
8.62
|
90°
|
3.4
|
2
|
0.3
|
0.4
|
7.6
|
6～50
|
6
|
6.08
|
5.92
|
10.62
|
10.18
|
90°
|
4
|
2.4
|
0.3
|
0.4
|
9.5
|
6～50
|
8
|
8.1
|
7.9
|
14.22
|
13.78
|
90°
|
5.2
|
3.2
|
0.3
|
0.4
|
13.6
|
12～60
|
10
|
10.1
|
9.9
|
17.82
|
17.38
|
90°
|
6.6
|
4
|
0.3
|
0.4
|
17
|
16～75
|
12
|
12.12
|
11.88
|
18.86
|
18.34
|
60°
|
8.8
|
6
|
0.4
|
0.4
|
17.5
|
18～75
|
(14)
|
14.12
|
13.88
|
21.76
|
21.24
|
60°
|
10.4
|
7
|
0.4
|
0.5
|
19.5
|
20～100
|
16
|
16.12
|
15.88
|
24.96
|
24.44
|
60°
|
11.4
|
8
|
0.4
|
0.5
|
24.7
|
24～100
|
注：尽可能不采用括号内的规格。
l的范围：
公称
|
2
|
2.5
|
3
|
3.5
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
min
|
1.8
|
2.3
|
2.8
|
3.26
|
3.76
|
4.76
|
5.76
|
6.71
|
7.71
|
8.71
|
9.71
|
10.65
|
11.65
|
12.65
|
13.65
|
14.65
|
15.65
|
max
|
2.2
|
2.7
|
3.2
|
3.74
|
4.24
|
5.24
|
6.24
|
7.29
|
8.29
|
9.29
|
10.29
|
11.35
|
12.35
|
13.35
|
14.35
|
15.35
|
16.35
|
公称
|
17
|
18
|
19
|
20
|
22
|
24
|
26
|
28
|
30
|
32
|
34
|
36
|
38
|
40
|
42
|
44
|
46
|
min
|
16.65
|
17.65
|
18.58
|
19.58
|
21.58
|
23.58
|
25.58
|
27.58
|
29.58
|
31.5
|
33.5
|
35.5
|
37.5
|
39.5
|
41.5
|
43.5
|
45.5
|
max
|
17.35
|
18.35
|
19.42
|
20.42
|
22.42
|
24.42
|
26.42
|
28.42
|
30.42
|
32.5
|
34.5
|
36.5
|
38.5
|
40.5
|
42.5
|
44.5
|
46.5
|
公称
|
48
|
50
|
52
|
55
|
58
|
60
|
62
|
65
|
68
|
70
|
75
|
80
|
85
|
90
|
95
|
100
|
min
|
47.5
|
49.5
|
51.4
|
54.4
|
57.4
|
59.4
|
61.4
|
64.4
|
67.4
|
69.4
|
74.4
|
79.4
|
84.3
|
89.3
|
94.3
|
99.3
|
max
|
48.5
|
50.5
|
52.6
|
55.6
|
58.6
|
60.6
|
62.6
|
65.6
|
68.6
|
70.6
|
75.6
|
80.6
|
85.7
|
90.7
|
95.7
|
100.7
|
