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Split Lock Washer
These washers prevent nuts or bolts from loosening. They work by adding tension to the joint when being flattened.
Other Names: L/W
Dimensions
ASME B18.21.1
| Nominal Dia. | ID | OD | Thickness |
|---|---|---|---|
| No. 2 | 0.088 - 0.094 | 0.172 | 0.035 |
| No. 3 | 0.101 - 0.107 | 0.195 | 0.040 |
| No. 4 | 0.114 - 0.120 | 0.209 | 0.040 |
| No. 5 | 0.127 - 0.133 | 0.236 | 0.047 |
| No. 6 | 0.141 - 0.148 | 0.250 | 0.047 |
| N0. 8 | 0.167 - 0.174 | 0.293 | 0.055 |
| No. 10 | 0.193 - 0.200 | 0.334 | 0.062 |
| No. 12 | 0.220 - 0.227 | 0.377 | 0.070 |
| 1/4 | 0.252 - 0.260 | 0.487 | 0.109 |
| 5/16 | 0.314 - 0.322 | 0.583 | 0.125 |
| 3/8 | 0.377 - 0.385 | 0.680 | 0.141 |
| 7/16 | 0.440 - 0.450 | 0.776 | 0.156 |
| 1/2 | 0.502 - 0.512 | 0.869 | 0.171 |
| 9/16 | 0.564 - 0.574 | 0.965 | 0.188 |
| 5/8 | 0.628 - 0.641 | 1.073 | 0.203 |
| 3/4 | 0.753 - 0.766 | 1.265 | 0.234 |
| 7/8 | 0.878 - 0.894 | 1.459 | 0.266 |
| 1 | 1.003 - 1.024 | 1.656 | 0.297 |
| 1 1/8 | 1.129 - 1.153 | 1.847 | 0.328 |
| 1 1/4 | 1.245 - 1.280 | 2.036 | 0.359 |
| 1 3/8 | 1.379 - 1.408 | 2.219 | 0.391 |
| 1 1/2 | 1.504 - 1.534 | 2.419 | 0.422 |
| 1 3/4 | 1.758 - 1.789 | 2.679 | 0.424 |
| 2 | 2.008 - 2.039 | 2.936 | 0.427 |