Metric
(DIN 137 B)
| Size | ID (mm) | OD (mm) | Height (mm) |
|---|---|---|---|
| M3 | 3.2 | 8.0 | 1.6 |
| M4 | 4.3 | 9.0 | 2.0 |
| M5 | 5.3 | 11.0 | 2.2 |
| M6 | 6.4 | 12.0 | 2.6 |
| M8 | 8.4 | 15.0 | 3.0 |
| M10 | 10.5 | 21.0 | 4.2 |
| M12 | 13.0 | 24.0 | 5.0 |
Imperial
Commercial Standard Wave Spring Washers
| Size | ID (in) | OD (in) | Free Height (in) |
|---|---|---|---|
| #4 | 0.120 | 0.260 | 0.045 |
| #6 | 0.147 | 0.320 | 0.050 |
| #8 | 0.174 | 0.380 | 0.055 |
| #10 | 0.200 | 0.440 | 0.060 |
| 1/4" | 0.260 | 0.500 | 0.070 |
| 5/16" | 0.322 | 0.625 | 0.080 |
| 3/8" | 0.385 | 0.750 | 0.100 |
| 1/2" | 0.512 | 1.000 | 0.150 |