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Nuts have internal machine threads, for use with machine thread bolts and screws.

Important Note: Due to the plating thickness, only hot dipped galvanized bolts should be used on hot dipped galvanized nuts.

Nuts, Hot dipped galvanized steel blue waxed finish, 5/8"

Structural nuts A563 grade DH

Structural nuts A563 grade DH

The standard nut used for A325 structural bolts and structural bolting applications.