Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc.
Made from zinc plated & clear passivated spring steel The kit containing quantities of all popular sizes Metric, BA and self-tapping thread forms Supplied in a plastic compartment storage box, total 480 fasteners