For 1/4" Rod #3 for Purlins, #5 for Beams. VERTIGO is a one-piece, all steel threaded fastening system for suspending steel threaded rod vertically overhead in pipe hanging, fire protection, electrical conduit and cable-tray applications. VERTIGO can be installed in a variety of base materials including steel bar joists and beams, wood frame columns and beams, as well as concrete ceilings, beams and columns.
Box of 100. General Applications and Uses: Hanging Pipe and Sprinkler Systems, Lighting Systems and Overhead Utilities, Suspended Ceilings, Suspending Conduit and Cable Trays, HVAC Ductwork and Strut channels, Mounting Security Equipment. Suitable Base Materials: Steel Purlins and Beams, Wood and Timber, Normal-weight Concrete, Structural Lighweight Concrete, Hollow Core Concrete Plank