Heavy Hex Nuts, A563 Grade DH Galvanized

A563 GRADE DH HEAVY HEX NUT, HDG / WAX & BLUE DYE (INCH)

Hex nuts are six-sided, internally threaded fasteners, mated with bolts, studs, screws, and other externally threaded products. The addition of the hex nut ensures that the bolt, etc., stays in place.

Heavy hex nuts are wider across the flats and thicker than hex nuts.