A flat washer is a thin, usually round, plate with a hole in the middle that is normally used to distribute the load of a threaded fastener. USS flat washers have a large, wider body. SAE flat washers are machined to a tighter specification and have a smaller outside diameter.
| Item | Flat Washer |
|---|---|
| Material | Steel |
| Finish | Zinc Yellow |
| For Screw Size | 1/2" |
| Outside Diameter | 1-3/8 in |
| Minimum Thickness | 1/8 in |
| System of Measurement | Inch |
| Inside Diameter | 9/16 in |
| Material Grade/Class | Grade 8 |
| Country of Origin (subject to change) | China |
| Package Quantity | 6 |