DIN 9250
DIN 9250 , Knurled Safety Lock Washer
Dimension of DIN 9250 as below:
 |
|
Size |
d1 |
d2 |
s |
h |
h |
d1 |
d2 |
s |
h |
h |
metric |
imperial |
max. |
min. |
max. |
min. |
mm |
inch |
mm |
mm |
mm |
mm |
mm |
inch |
inch |
inch |
inch |
inch |
1.6 |
|
1.7 |
3.2 |
0.35 |
0.6 |
0.38 |
0.067 |
0.126 |
0.014 |
0.024 |
0.015 |
2 |
|
2.2 |
4 |
0.35 |
0.6 |
0.39 |
0.087 |
0.157 |
0.014 |
0.024 |
0.015 |
2.5 |
|
2.7 |
4.8 |
0.45 |
0.9 |
0.49 |
0.106 |
0.189 |
0.018 |
0.035 |
0.019 |
3 |
1/8″ |
3.2 |
5.5 |
0.45 |
0.9 |
0.51 |
0.126 |
0.217 |
0.018 |
0.035 |
0.020 |
3.5 |
|
3.7 |
6 |
0.45 |
0.9 |
0.52 |
0.146 |
0.236 |
0.018 |
0.035 |
0.020 |
4 |
5/32″ |
4.3 |
7 |
0.5 |
1.0 |
0.59 |
0.169 |
0.276 |
0.020 |
0.039 |
0.023 |
5 |
3/16″ |
5.3 |
9 |
0.6 |
1.1 |
0.73 |
0.209 |
0.354 |
0.024 |
0.043 |
0.029 |
6 |
|
6.4 |
10 |
0.7 |
1.2 |
0.82 |
0.252 |
0.394 |
0.028 |
0.047 |
0.032 |
6.35 |
1/4″ |
6.7 |
9.5 |
0.7 |
1.2 |
0.79 |
0.264 |
0.374 |
0.028 |
0.047 |
0.031 |
7 |
|
7.4 |
12 |
0.7 |
1.3 |
0.89 |
0.291 |
0.472 |
0.028 |
0.051 |
0.035 |
8 |
5/16″ |
8.4 |
13 |
0.8 |
1.4 |
0.98 |
0.331 |
0.512 |
0.031 |
0.055 |
0.039 |
10 |
3/8″ |
10.5 |
16 |
1 |
1.6 |
1.21 |
0.413 |
0.630 |
0.039 |
0.063 |
0.048 |
11.1 |
7/16″ |
11.6 |
15.9 |
1 |
1.6 |
1.18 |
0.457 |
0.626 |
0.039 |
0.063 |
0.046 |
12 |
|
13 |
18 |
1.1 |
1.7 |
1.31 |
0.512 |
0.709 |
0.043 |
0.067 |
0.052 |
12.7 |
1/2″ |
13.7 |
19 |
1.1 |
1.8 |
1.33 |
0.539 |
0.748 |
0.043 |
0.071 |
0.052 |
14 |
9/16″ |
15 |
22 |
1.2 |
2.0 |
1.52 |
0.591 |
0.866 |
0.047 |
0.079 |
0.060 |
16 |
5/8″ |
17 |
24 |
1.3 |
2.1 |
1.63 |
0.669 |
0.945 |
0.051 |
0.083 |
0.064 |
18 |
|
19 |
27 |
1.5 |
2.3 |
1.85 |
0.748 |
1.063 |
0.059 |
0.091 |
0.073 |
19 |
3/4″ |
20 |
30 |
1.5 |
2.5 |
1.98 |
0.787 |
1.181 |
0.059 |
0.098 |
0.078 |
20 |
|
21 |
30 |
1.5 |
2.5 |
1.94 |
0.827 |
1.181 |
0.059 |
0.098 |
0.076 |
22 |
7/8″ |
23 |
33 |
1.5 |
2.7 |
2.08 |
0.906 |
1.299 |
0.059 |
0.106 |
0.082 |
24 |
|
25.6 |
36 |
1.8 |
2.9 |
2.32 |
1.008 |
1.417 |
0.071 |
0.114 |
0.091 |
25.4 |
1″ |
27 |
38 |
2 |
3.1 |
2.52 |
1.063 |
1.496 |
0.079 |
0.122 |
0.099 |
27 |
|
28.6 |
39 |
2 |
3.1 |
2.52 |
1.126 |
1.535 |
0.079 |
0.122 |
0.099 |
30 |
1 1/8″ |
31.6 |
45 |
2 |
3.6 |
2.78 |
1.244 |
1.772 |
0.079 |
0.142 |
0.109 |
33 |
1 1/4″ |
34.6 |
50 |
2.5 |
4.0 |
3.26 |
1.362 |
1.969 |
0.098 |
0.157 |
0.128 |
36 |
1 3/8″ |
38 |
54 |
2.5 |
4.2 |
3.38 |
1.496 |
2.126 |
0.098 |
0.165 |
0.133 |