| Nuts | Washers | ||
|---|---|---|---|
| A307 Grades A & C* | A307 Grade B | ||
| 1/4 – 1-1/2 | 1-5/8 – 4 | 1/4 – 4 | |
| A563A Hex | A563A Heavy Hex | A563A Heavy Hex | Unspecified |
| Nuts | Washers | ||
|---|---|---|---|
| A307 Grades A & C* | A307 Grade B | ||
| 1/4 – 1-1/2 | 1-5/8 – 4 | 1/4 – 4 | |
| A563A Hex | A563A Heavy Hex | A563A Heavy Hex | Unspecified |