Slotted hole on 1 side allows for adjustment. Fasteners sold separately ((BB200) 5/16" spring nut, (BB210) 5/16" bolt, (BB220) 5/16" flat washer). Material thickness 1/8” (3mm). Not to be used as a hanger angle. To suspend the cable tray, use hanger angles BA310 (standard) or BA313 (large) which have a material thickness of 3/16” (5mm). |