
Yellow Zinc Flat Washers - Grade 8 USS
Thru Hardened Yellow Zinc Flat Washers - USS Sizes
- Grade 8 flat washers in USS are measured in Inch sizes
- Made of through hardened Grade 8 steel with a yellow zinc plating
- Used to provide ease of movement for spinning parts, or when the hole holding the fastener assembly is larger than the finishing nut
- Check below to see our size chart for inner and outer diameter and washer thickness
- IFI Tolerances Apply
- Washer Thickness may very +/- .02 depending on production run.
Flat Washer Sizes | Inner Diameter (ID) | Outer Diameter (OD) | Washer Thickness |
1/4" | 0.312" | 0.734" | 0.065" |
5/16" | 0.375" | 7/8" | 0.084" |
3/8" | 0.438" | 1" | 0.084" |
7/16" | 0.500" | 1-1/4" | 0.084" |
1/2" | 0.562" | 1-3/8" | 0.109" |
9/16" | 0.625" | 1.469" | 0.109" |
5/8" | 0.688" | 1-3/4" | 0.133" |
3/4" | 0.812" | 2" | 0.149" |
7/8" | 0.938" | 2-1/4" | 0.163" |
1" | 1.062" | 2-1/2" | 0.163" |
1-1/8" | 1.25" | 2-3/4" | 0.163" |
1-1/4" | 1.375" | 3" | 0.163" |
1-1/2" | 1.625" | 3-1/2" | 0.182" |
See Product Specifications