小圆螺母(摘自GB 810-88)
螺纹规格M10×1~M200×3的小圆螺母。
标记示例:
螺纹规格D=M16×1.5、材料为45钢、槽或全部热处理后硬度HRC35~45、表面氧化的小圆螺母的标记:
螺母 GB 810 M16×1.5
螺纹规格M10×1~M200×3的小圆螺母:
螺纹规格
D×P
|
dk
|
m
|
n
|
t
|
C
|
C1
|
max
|
min
|
max
|
min
|
M10×1
|
20
|
6
|
4.3
|
4
|
2.6
|
2
|
0.5
|
0.5
|
M12×1.25
|
22
|
6
|
4.3
|
4
|
2.6
|
2
|
0.5
|
0.5
|
M14×1.5
|
25
|
6
|
4.3
|
4
|
2.6
|
2
|
0.5
|
0.5
|
M16×1.5
|
28
|
6
|
4.3
|
4
|
2.6
|
2
|
0.5
|
0.5
|
M18×1.5
|
30
|
6
|
5.30
|
5
|
3.10
|
2.5
|
0.5
|
0.5
|
M20×1.5
|
32
|
6
|
5.30
|
5
|
3.10
|
2.5
|
0.5
|
0.5
|
M22×1.5
|
35
|
8
|
5.30
|
5
|
3.10
|
2.5
|
0.5
|
0.5
|
M24×1.5
|
38
|
8
|
5.30
|
5
|
3.10
|
2.5
|
0.5
|
0.5
|
M27×1.5
|
42
|
8
|
5.30
|
5
|
3.10
|
2.5
|
1
|
0.5
|
M30×1.5
|
45
|
8
|
5.30
|
5
|
3.10
|
2.5
|
1
|
0.5
|
M33×1.5
|
48
|
8
|
5.30
|
5
|
3.10
|
2.5
|
1
|
0.5
|
M36×1.5
|
52
|
8
|
6.30
|
6
|
3.60
|
3
|
1
|
0.5
|
M39×1.5
|
55
|
8
|
6.30
|
6
|
6.30
|
3
|
1
|
0.5
|
M42×1.5
|
58
|
8
|
6.30
|
6
|
6.30
|
3
|
1
|
0.5
|
M45×1.5
|
62
|
8
|
6.3
|
6
|
6.3
|
3
|
1
|
0.5
|
M48×1.5
|
68
|
10
|
6.3
|
6
|
6.3
|
3
|
1
|
0.5
|
M52V1.5
|
72
|
10
|
8.36
|
8
|
4.25
|
3.5
|
1
|
0.5
|
M56×2
|
78
|
10
|
8.36
|
8
|
4.25
|
3.5
|
1
|
1
|
M60×2
|
80
|
10
|
8.36
|
8
|
4.25
|
3.5
|
1
|
1
|
M64×2
|
85
|
10
|
8.36
|
8
|
4.25
|
3.5
|
1
|
1
|
M68×2
|
90
|
10
|
8.36
|
8
|
4.25
|
3.5
|
1
|
1
|
M72×2
|
95
|
12
|
8.36
|
8
|
4.25
|
3.5
|
1
|
1
|
M76×2
|
100
|
12
|
10.36
|
10
|
4.75
|
4
|
1.5
|
1
|
M80×2
|
105
|
12
|
10.36
|
10
|
4.75
|
4
|
1.5
|
1
|
M85×2
|
110
|
12
|
10.36
|
10
|
4.75
|
4
|
1.5
|
1
|
M90×2
|
115
|
12
|
10.36
|
10
|
4.75
|
4
|
1.5
|
1
|
M95×2
|
120
|
12
|
10.36
|
10
|
4.75
|
4
|
1.5
|
1
|
M100×2
|
125
|
12
|
12.43
|
12
|
5.75
|
5
|
1.5
|
1
|
M105×2
|
130
|
15
|
12.43
|
12
|
5.75
|
5
|
1.5
|
1
|
M110×2
|
135
|
15
|
12.43
|
12
|
5.75
|
5
|
1.5
|
1
|
M115×2
|
140
|
15
|
12.43
|
12
|
5.75
|
5
|
1.5
|
1
|
M120×2
|
145
|
15
|
14.43
|
14
|
6.75
|
6
|
1.5
|
1
|
M125×2
|
150
|
15
|
14.43
|
14
|
6.75
|
6
|
1.5
|
1
|
M130×2
|
160
|
15
|
14.43
|
14
|
6.75
|
6
|
1.5
|
1
|
M140×2
|
170
|
18
|
14.43
|
14
|
6.75
|
6
|
1.5
|
1
|
M150×2
|
180
|
18
|
14.43
|
14
|
6.75
|
6
|
1.5
|
1
|
M160×3
|
195
|
18
|
14.43
|
14
|
6.75
|
6
|
2
|
1.5
|
M170×3
|
205
|
18
|
16.43
|
16
|
7.90
|
7
|
2
|
1.5
|
M180×3
|
220
|
22
|
16.43
|
16
|
7.90
|
7
|
2
|
1.5
|
M190×3
|
230
|
22
|
16.43
|
16
|
7.90
|
7
|
2
|
1.5
|
M200×3
|
240
|
22
|
16.43
|
16
|
7.90
|
7
|
2
|
1.5
|