Spring nuts, often called speed nuts or "U" nuts, are specialized fasteners designed for installations where reaching the rear side is challenging or not feasible. These fasteners incorporate a distinctive structure that enables them to attach firmly to panels or metal sheets.

These components are engineered to establish a robust and dependable connection between parts. In contrast to conventional nuts that must be threaded onto fasteners, spring nuts employ an innovative design enabling swift installation without requiring extra tools. These particular fasteners come with flexible prongs or extensions that latch onto the mounting area, delivering a secure and stable attachment.