The Grade 5 U.S.S. Flat Washer is a high-quality washer designed to accompany 5/16" bolts. With a durable zinc-plated finish, it provides excellent corrosion resistance and enhanced longevity. The washer has an inner diameter of 3/8" and an outer diameter of 7/8", ensuring a secure fit and proper load distribution. Its slim 1/16" thickness makes it ideal for applications where space is limited, while still offering reliable support and stability to your fastening needs.
| Bolt Size | 5/16" |
| Inner Diameter | 3/8" |
| Outer Diameter | 7/8" |
| Thickness | 1/16" |
| Grade | 5 |
| Material | Steel |
| Plating | Zinc |
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