Nominal Washer Size |
A |
B |
T+t / 2 |
W |
||
Inside Diameter |
Outside Diameter |
Mean Section Thickness |
Section Width |
|||
Max |
Min |
Max |
Min |
Min |
||
2 |
0.086 |
0.094 |
0.088 |
0.172 |
0.02 |
0.035 |
4 |
0.112 |
0.120 |
0.114 |
0.209 |
0.025 |
0.040 |
5 |
0.125 |
0.133 |
0.127 |
0.236 |
0.031 |
0.047 |
6 |
0.138 |
0.148 |
0.141 |
0.25 |
0.031 |
0.047 |
8 |
0.164 |
0.174 |
0.167 |
0.293 |
0.040 |
0.055 |
10 |
0.190 |
0.200 |
0.193 |
0.334 |
0.047 |
0.062 |
12 |
0.216 |
0.227 |
0.220 |
0.377 |
0.056 |
0.070 |
1/4 |
0.250 |
0.260 |
0.252 |
0.487 |
0.062 |
0.109 |
5/16 |
0.312 |
0.322 |
0.314 |
0.583 |
0.078 |
0.125 |
3/8 |
0.375 |
0.385 |
0.377 |
0.680 |
0.094 |
0.141 |
7/16 |
0.438 |
0.450 |
0.440 |
0.776 |
0.109 |
0.156 |
1/2 |
0.500 |
0.512 |
0.502 |
0.869 |
0.125 |
0.171 |
9/16 |
0.562 |
0.574 |
0.564 |
0.965 |
0.141 |
0.188 |
5/8 |
0.625 |
0.641 |
0.628 |
1.073 |
0.156 |
0.203 |
3/4 |
0.750 |
0.766 |
0.753 |
1.265 |
0.188 |
0.234 |
7/8 |
0.875 |
0.894 |
0.878 |
1.459 |
0.219 |
0.266 |
1 |
1.000 |
1.024 |
1.003 |
1.656 |
0.250 |
0.297 |
1 1/8 |
1.125 |
1.153 |
1.129 |
1.847 |
0.281 |
0.328 |
1 1/4 |
1.250 |
1.280 |
1.254 |
2.036 |
0.312 |
0.359 |
1 1/2 |
1.500 |
1.534 |
1.504 |
2.419 |
0.375 |
0.422 |
