Zinc Plated Flat Washers - USS Sizes
USS Sizes
- Zinc plated steel flat washers in USS are measured in Inch sizes
- USS sized washers are made if zinc plated 344 and 347 steel
- Zinc plated steel is corrosion resistant
- IFI Tolerances Apply
- Washer Thickness may very +/- depending on production run
- REACH and RoHS Compliant
| Flat Washer Sizes | Inner Diameter (ID) | Outer Diameter (OD) | Washer Thickness |
| 3/16" | 0.250" | 0.56" | 0.064" |
| 1/4" | 0.312" | 0.734" | 0.069" |
| 5/16" | 0.375" | 0.875" | 0.086" |
| 3/8" | 0.438" | 1.00" | 0.086" |
| 7/16" | 0.500" | 1.25" | 0.086" |
| 1/2" | 0.562" | 1.375" | 0.112" |
| 9/16" | 0.625" | 1.469" | 0.112" |
| 5/8" | 0.688" | 1.75" | 0.136" |
| 3/4" | 0.812" | 2.00" | 0.148" |
| 7/8" | 0.938" | 2.25" | 0.164" |
| 1" | 1.062" | 2.50" | 0.164" |
| 1-1/8" | 1.250" | 2.75" | 0.164" |
| 1-1/4" | 1.375" | 3.00" | 0.164" |
| 1-3/8" | 1.500" | 3.25" | 0.183" |
| 1-1/2" | 1.625" | 3.50" | 0.183" |
| 1-5/8" | 1.750" | 3.75" | 0.183" |
| 1-3/4" | 1.875" | 4.00" | 0.183" |
| 2" | 2.125" | 4.50" | 0.183" |
| 2-1/4" | 2.375" | 4.75" | 0.221" |
| 2-1/2" | 2.625" | 5.00" | 0.245" |
| 3" | 3.125" | 5.50" | 0.288" |
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