ABB Installation Products' Superstrut
ABB Installation Products’ Superstrut has half-slot holes that can accommodate 5/8-in. threaded rod. The 12-gauge steel strut is available in 10- and 20-ft. lengths with GoldGalv, SilverGalv or pregalvanized finishes. Each hole is 11/16 in. wide and 11/8 in. long and spaced 2 in. apart.