带锁圈的螺钉锁紧挡圈 （摘自GB 885-86）
公称直径d=8～200mm的带锁圈的螺钉锁紧挡圈。
标记示例：
公 直径d=20mm、材料为Q235、不经表面处理的带锁圈的螺钉锁紧挡圈的标记：
挡圈 GB 885 20
公称直径d=8～200mm的带锁圈的螺钉锁紧挡圈：
公称直径d
|
H
|
b
|
t
|
D
|
d0
|
c
|
螺钉
GB 71
（推荐）
|
锁圈
GB921
|
基本尺寸
|
极限偏差
|
基本尺寸
|
极限偏差
|
基本尺寸
|
极限偏差
|
基本尺寸
|
极限偏差
|
8
|
＋0.036
0
|
10
|
0
－0.36
|
1
|
＋0.20
＋0.06
|
1.8
|
±0.18
|
20
|
5
|
0.5
|
M5×8
|
15
|
(9)
|
＋0.036
0
|
10
|
0
－0.36
|
1
|
＋0.20
＋0.06
|
1.8
|
±0.18
|
22
|
5
|
0.5
|
M5×8
|
17
|
10
|
＋0.036
0
|
10
|
0
－0.36
|
1
|
＋0.20
＋0.06
|
1.8
|
±0.18
|
22
|
5
|
0.5
|
M5×8
|
17
|
12
|
＋0.043
0
|
10
|
0
－0.36
|
1
|
＋0.20
＋0.06
|
1.8
|
±0.18
|
25
|
5
|
0.5
|
M5×8
|
20
|
(13)
|
＋0.043
0
|
10
|
0
－0.36
|
1
|
＋0.20
＋0.06
|
1.8
|
±0.18
|
25
|
5
|
0.5
|
M5×8
|
20
|
14
|
＋0.043
0
|
12
|
0
－0.43
|
1
|
＋0.20
＋0.06
|
2
|
±0.20
|
28
|
6
|
1
|
M6×10
|
23
|
15
|
＋0.043
0
|
12
|
0
－0.43
|
1
|
＋0.20
＋0.06
|
2
|
±0.20
|
30
|
6
|
1
|
M6×10
|
25
|
16
|
＋0.043
0
|
12
|
0
－0.43
|
1
|
＋0.20
＋0.06
|
2
|
±0.20
|
30
|
6
|
1
|
M6×10
|
25
|
17
|
＋0.043
0
|
12
|
0
－0.43
|
1
|
＋0.20
＋0.06
|
2
|
±0.20
|
32
|
6
|
1
|
M6×10
|
27
|
18
|
＋0.043
0
|
12
|
0
－0.43
|
1
|
＋0.20
＋0.06
|
2
|
±0.20
|
32
|
6
|
1
|
M6×10
|
27
|
(19)
|
＋0.052
0
|
12
|
0
－0.43
|
1
|
＋0.20
＋0.06
|
2
|
±0.20
|
35
|
6
|
1
|
M6×10
|
30
|
20
|
＋0.052
0
|
12
|
0
－0.43
|
1
|
＋0.20
＋0.06
|
2
|
±0.20
|
35
|
6
|
1
|
M6×10
|
30
|
22
|
＋0.052
0
|
12
|
0
－0.43
|
1
|
＋0.20
＋0.06
|
2
|
±0.20
|
38
|
6
|
1
|
M6×10
|
32
|
25
|
＋0.052
0
|
14
|
0
－0.43
|
1.2
|
＋0.31
＋0.06
|
2.5
|
±0.25
|
42
|
8
|
1
|
M8×12
|
35
|
28
|
＋0.052
0
|
14
|
0
－0.43
|
1.2
|
＋0.31
＋0.06
|
2.5
|
±0.25
|
45
|
8
|
1
|
M8×12
|
38
|
30
|
＋0.052
0
|
14
|
0
－0.43
|
1.2
|
＋0.31
＋0.06
|
2.5
|
±0.25
|
48
|
8
|
1
|
M8×12
|
41
|
32
|
＋0.062
0
|
14
|
0
－0.43
|
1.2
|
＋0.31
＋0.06
|
2.5
|
±0.25
|
52
|
8
|
1
|
M8×12
|
44
|
35
|
＋0.062
0
|
16
|
0
－0.43
|
1.6
|
＋0.31
＋0.06
|
3
|
±0.30
|
56
|
10
|
1
|
M10×16
|
47
|
40
|
＋0.062
0
|
16
|
0
－0.43
|
1.6
|
＋0.31
＋0.06
|
3
|
±0.30
|
62
|
10
|
1
|
M10×16
|
54
|
45
|
＋0.062
0
|
18
|
0
－0.43
|
1.6
|
0.31
＋0.06
|
3
|
±0.30
|
70
|
10
|
1
|
M10×16
|
62
|
50
|
＋0.062
0
|
18
|
0
－0.43
|
1.6
|
＋0.31
＋0.06
|
3
|
±0.30
|
80
|
10
|
1
|
M10×20
|
71
|
55
|
＋0.074
0
|
18
|
0
－0.43
|
1.6
|
＋0.31
＋0.06
|
3
|
±0.30
|
85
|
10
|
1
|
M10×20
|
76
|
60
|
＋0.074
0
|
20
|
0
－0.52
|
1.6
|
＋0.31
＋0.06
|
3
|
±0.30
|
90
|
10
|
1
|
M10×20
|
81
|
65
|
＋0.074
0
|
20
|
0
－0.52
|
1.6
|
＋0.31
＋0.06
|
3
|
±0.30
|
95
|
10
|
1
|
M10×20
|
86
|
70
|
＋0.074
0
|
20
|
0
－0.52
|
1.6
|
＋0.31
＋0.06
|
3
|
±0.30
|
100
|
10
|
1
|
M10×20
|
91
|
75
|
＋0.074
0
|
22
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
3.6
|
±0.36
|
110
|
12
|
1
|
M12×25
|
100
|
80
|
＋0.074
0
|
22
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
3.6
|
±0.36
|
115
|
12
|
1
|
M12×25
|
105
|
85
|
＋0.087
0
|
22
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
3.6
|
±0.36
|
120
|
12
|
1
|
M12×25
|
110
|
90
|
＋0.087
0
|
22
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
3.6
|
±0.36
|
125
|
12
|
1
|
M12×25
|
115
|
95
|
＋0.087
0
|
25
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
3.6
|
±0.36
|
130
|
12
|
1.5
|
M12×25
|
120
|
100
|
＋0.087
0
|
25
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
3.6
|
±0.36
|
135
|
12
|
1.5
|
M12×25
|
124
|
105
|
＋0.087
0
|
25
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
3.6
|
±0.36
|
140
|
12
|
1.5
|
M12×25
|
129
|
110
|
＋0.087
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
150
|
12
|
1.5
|
M12×25
|
136
|
115
|
＋0.087
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
155
|
12
|
1.5
|
M12×25
|
142
|
120
|
＋0.087
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
160
|
12
|
1.5
|
M12×25
|
147
|
(125)
|
＋0.10
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
165
|
12
|
1.5
|
M12×25
|
152
|
130
|
＋0.10
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
170
|
12
|
1.5
|
M12×25
|
156
|
(135)
|
＋0.10
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
175
|
12
|
1.5
|
M12×25
|
162
|
140
|
＋0.10
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
180
|
12
|
1.5
|
M12×25
|
166
|
(145)
|
＋0.10
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
190
|
12
|
1.5
|
M12×30
|
176
|
150
|
＋0.10
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
200
|
12
|
1.5
|
M12×30
|
186
|
160
|
＋0.10
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
210
|
12
|
1.5
|
M12×30
|
196
|
170
|
＋0.10
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
220
|
12
|
1.5
|
M12×30
|
206
|
180
|
＋0.10
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
230
|
12
|
1.5
|
M12×30
|
216
|
190
|
＋0.115
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
240
|
12
|
1.5
|
M12×30
|
226
|
200
|
＋0.115
0
|
30
|
0
－0.52
|
2
|
＋0.31
＋0.06
|
4.5
|
±0.45
|
250
|
12
|
1.5
|
M12×30
|
236
|
注：尽可能不采用括号内的规格。
