螺钉紧固轴端挡圈 (摘自GB 891-86)
公称直径D=20~100mm的螺钉紧固轴端挡圈。
标记示例:
公称直径D=45mm、材料为Q235、不经表面处理的A型螺钉紧固轴端挡圈的标记:
挡圈 GB 891 45
按B型制造时,应加标记B:
挡圈 GB 891 B45
公称直径D=20~100mm的螺钉紧固轴端挡圈:
轴径
≤
|
公称直径
D
|
H
|
L
|
d
|
d1
|
D1
|
c
|
螺钉
GB819
(推荐)
|
圆柱销
GB119
(推荐)
|
基本尺寸
|
极限偏差
|
基本尺寸
|
极限偏差
|
14
|
20
|
4
|
0
-0.30
|
0
|
±0.11
|
5.5
|
0
|
11
|
0.5
|
M5×12
|
—
|
16
|
22
|
4
|
0
-0.30
|
0
|
±0.11
|
5.5
|
0
|
11
|
0.5
|
M5×12
|
—
|
18
|
25
|
4
|
0
-0.30
|
0
|
±0.11
|
5.5
|
0
|
11
|
0.5
|
M5×12
|
—
|
20
|
28
|
4
|
0
-0.30
|
7.5
|
±0.11
|
5.5
|
2.1
|
11
|
0.5
|
M5×12
|
A2×10
|
22
|
30
|
4
|
0
-0.30
|
7.5
|
±0.11
|
5.5
|
2.1
|
13
|
0.5
|
M5×12
|
A2×10
|
25
|
32
|
5
|
0
-0.30
|
10
|
±0.11
|
6.6
|
3.2
|
13
|
1
|
M6×16
|
A3×12
|
28
|
35
|
5
|
0
-0.30
|
10
|
±0.11
|
6.6
|
3.2
|
13
|
1
|
M6×16
|
A3×12
|
30
|
38
|
5
|
0
-0.30
|
10
|
±0.11
|
6.6
|
3.2
|
13
|
1
|
M6×16
|
A3×12
|
32
|
40
|
5
|
0
-0.30
|
12
|
±0.135
|
6.6
|
3.2
|
13
|
1
|
M6×16
|
A3×12
|
35
|
45
|
5
|
0
-0.30
|
12
|
±0.135
|
6.6
|
3.2
|
13
|
1
|
M6×16
|
A3×12
|
40
|
50
|
5
|
0
-0.30
|
12
|
±0.135
|
6.6
|
3.2
|
13
|
1
|
M6×16
|
A3×12
|
45
|
55
|
6
|
0
-0.30
|
16
|
±0.135
|
9
|
4.2
|
17
|
1.5
|
M8×20
|
A4×14
|
50
|
60
|
6
|
0
-0.30
|
16
|
±0.135
|
9
|
4.2
|
17
|
1.5
|
M8×20
|
A4×14
|
55
|
65
|
6
|
0
-0.30
|
16
|
±0.135
|
9
|
4.2
|
17
|
1.5
|
M8×20
|
A4×14
|
60
|
70
|
6
|
0
-0.30
|
20
|
±0.165
|
9
|
4.2
|
17
|
1.5
|
M8×20
|
A4×14
|
65
|
75
|
6
|
0
-0.30
|
20
|
±0.165
|
9
|
4.2
|
17
|
1.5
|
M8×20
|
A4×14
|
70
|
80
|
6
|
0
-0.30
|
20
|
±0.165
|
9
|
4.2
|
17
|
1.5
|
M8×20
|
A4×14
|
75
|
90
|
8
|
0
-0.36
|
25
|
±0.165
|
13
|
5.2
|
25
|
2
|
M10×25
|
A5×16
|
85
|
100
|
8
|
0
-0.36
|
25
|
±0.165
|
13
|
5.2
|
25
|
2
|
M10×25
|
A5×16
|