Spring Nuts allow for easy installation into Powerstrut channel. Once inserted into the channel and with a 90 turn, these spring nuts will stay in place allowing hands-free installation of other components. Seismic load capacities have been tested in accordance with seismic standards. This series is available in Electrogalvanized (EG), Unistrut Defender (DF), Hot-Dip Galvanized (HG), and Stainless Steel (SS).