Spring nuts are one-piece, self-locking nuts that secure screws and prevent them from loosening due to vibration. Long spring channel nuts are used to secure screws in framing channels, cable management conduits, and ducting systems. They consist of a nut with grooves on the side that fit over the side of the channel edge and a screw hole. Tightening a screw in the nut causes teeth in the grooves to lock into the channel edge, holding the nut in place. spring channel nuts are used to place and secure fittings, electrical panels, junction boxes, or piping clamps within channels or conduits.