小半圆头铆钉(粗制)(摘自GB 863.2-86)
公称直径d=10~36mm的粗制小半圆头铆钉。
标记示例:
公称直径d=12mm、公称长度l=50mm、材料为BL2、不经表面处理的小半圆头铆钉的标记:
铆钉 GB 863.2 12×50
公称直径d=10~36mm的粗制小半圆头铆钉:
d
|
dk
|
K
|
r
max
|
R≈
|
l
|
公称
|
max
|
min
|
max
|
min
|
max
|
min
|
10
|
10.3
|
9.7
|
16
|
14.9
|
7.4
|
6.5
|
0.5
|
8
|
12~50
|
12
|
12.3
|
11.7
|
19
|
17.7
|
8.4
|
7.5
|
0.6
|
9.5
|
16~60
|
(14)
|
14.3
|
13.7
|
22
|
20.7
|
9.9
|
9
|
0.6
|
11
|
20~70
|
16
|
16.3
|
15.7
|
25
|
23.7
|
10.9
|
10
|
0.8
|
13
|
25~80
|
(18)
|
18.3
|
17.7
|
28
|
26.7
|
12.6
|
11.5
|
0.8
|
14.5
|
28~90
|
20
|
20.35
|
19.65
|
32
|
30.4
|
14.1
|
13
|
1
|
16.5
|
30~200
|
(22)
|
22.35
|
21.65
|
36
|
34.4
|
15.1
|
14
|
1
|
18.5
|
35~200
|
24
|
24.35
|
23.65
|
40
|
38.4
|
17.1
|
16
|
1.2
|
20.5
|
38~200
|
(27)
|
27.35
|
26.65
|
43
|
41.4
|
18.1
|
17
|
1.2
|
22
|
40~200
|
30
|
30.35
|
29.65
|
48
|
46.4
|
20.3
|
19
|
1.6
|
24.5
|
42~200
|
36
|
36.4
|
35.6
|
58
|
56.1
|
24.3
|
23
|
2
|
30
|
48~200
|
注:尽可能不采用括号内的规格。
l的范围:
公称
|
12
|
14
|
16
|
18
|
20
|
22
|
25
|
28
|
30
|
32
|
35
|
38
|
40
|
42
|
45
|
48
|
50
|
52
|
min
|
12
|
14
|
16
|
18
|
20
|
22
|
25
|
28
|
30
|
32
|
35
|
38
|
40
|
42
|
45
|
48
|
50
|
52
|
max
|
12.7
|
14.7
|
16.7
|
18.7
|
20.84
|
22.84
|
25.84
|
28.84
|
30.84
|
33
|
36
|
39
|
41
|
43
|
46
|
49
|
51
|
53
|
公称
|
55
|
58
|
60
|
62
|
65
|
68
|
70
|
min
|
55
|
58
|
60
|
62
|
65
|
68
|
70
|
max
|
56.2
|
59.2
|
61.2
|
63.2
|
66.2
|
69.2
|
71.2
|