扁圆头铆钉 (摘自GB 871-86)
公称直径d=1.2~10mm的扁圆头铆钉。
标记示例:
公称直径d=10mm、公称长度l=40mm、材料为BL2、不经表面处理的扁圆头铆钉的标记:
铆钉 GB 871 10×40
公称直径d=1.2~10mm的扁圆头铆钉:
d
|
dk
|
K
|
r
max
|
R≈
|
l
|
公称
|
max
|
min
|
max
|
min
|
max
|
min
|
(1.2)
|
1.26
|
1.14
|
2.6
|
2.2
|
0.6
|
0.4
|
0.1
|
1.7
|
1.5~6
|
1.4
|
1.46
|
1.34
|
3
|
2.6
|
0.7
|
0.5
|
0.1
|
1.9
|
2~8
|
(1.6)
|
1.66
|
1.54
|
3.44
|
2.96
|
0.8
|
0.6
|
0.1
|
2.2
|
2~8
|
2
|
2.06
|
1.94
|
4.24
|
3.76
|
0.9
|
0.7
|
0.1
|
2.9
|
2~13
|
2.5
|
2.56
|
2.44
|
5.24
|
4.76
|
0.9
|
0.7
|
0.1
|
4.3
|
3~16
|
3
|
3.06
|
2.94
|
6.24
|
5.76
|
1.2
|
0.8
|
0.1
|
5
|
3.5~30
|
(3.5)
|
3.58
|
3.42
|
7.29
|
6.71
|
1.4
|
1
|
0.3
|
5.7
|
5~36
|
4
|
4.08
|
3.92
|
8.29
|
7.71
|
1.5
|
1.1
|
0.3
|
6.8
|
5~40
|
5
|
5.08
|
4.92
|
10.29
|
9.71
|
1.9
|
1.5
|
0.3
|
8.7
|
6~50
|
6
|
6.08
|
5.92
|
12.35
|
11.65
|
2.4
|
2
|
0.3
|
9.3
|
7~50
|
8
|
8.1
|
7.9
|
16.35
|
15.65
|
3.2
|
2.8
|
0.3
|
12.2
|
9~50
|
10
|
10.1
|
9.9
|
20.42
|
19.58
|
4.24
|
3.76
|
0.3
|
14.5
|
10~50
|
注:尽可能不采用括号内的规格。
l的范围:
公称
|
1.5
|
2
|
2.5
|
3
|
3.5
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
min
|
1.3
|
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
|
max
|
1.7
|
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
|
公称
|
16
|
17
|
18
|
19
|
20
|
22
|
24
|
26
|
28
|
30
|
32
|
34
|
36
|
38
|
40
|
42
|
min
|
15.65
|
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
|
max
|
16.35
|
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
|
公称
|
44
|
46
|
48
|
50
|
min
|
43.5
|
45.5
|
47.5
|
49.5
|
max
|
44.5
|
46.5
|
48.5
|
50.5
|