Accepts up to 1/2" threaded rod to suspend the cable tray from the ceiling Material thickness 3/16” (5mm). If electrical isolation is required, 2 - BB973 nylon shoulder washers can be used to accept up to 3/8" threaded rod. Fasteners sold separately ((BB200) 5/16" spring nut, (BB210) 5/16" bolt, (BB220) 5/16" flat washer). |