A307 Recommended Hardware
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 |