These Yellow Zinc plated Steel 5/16" (11/32" I.D.) MC2 (Mil-Carb) Grade 8 Flat Washers are fabricated from prime quality medium carbon steel and through hardened (quenched and tempered) R/C 38-45 to improve strength. The zinc & gold dichromate plating provides resistance to corrosion, resulting in a long lived, reliable washer. Designed for use with high-strength hardened steel bolts for various heavy-duty applications including machinery construction, maintenance work, assembly, and construction work.
| Bolt Size | 5/16 in. |
| Inner Diameter | 11/32 in. |
| Outer Diameter | 11/16 in. |
| Thickness | 1/16 in. |
| Grade | 8 |
| Material | Steel |
| Plating | Zinc Yellow |
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