Spring Nut

The Spring Nut pictured above is the flat-type speed nut. They are a one piece, self-locking, heat-treated, spring-steel fastener that replaces threaded nuts in some applications. When the screw is tightened, the curved spring steel flattens against the surface of one of the mating parts and provides the locking feature.
Spring nut, raised key located into slot to prevent rotation. Spring Nut is constructed using only the highest quality products. Spring Nut comes in a wide variety of sizes that will suit every application.