Topaz 1" Steel Rigid Locknuts - UL Listed

Topaz’s rigid locknuts securely affixes Rigid conduit to an electrical box or other metal enclosure. Rigid locknuts help ensure a secure and safe connection; fabricated from corrosion resistant steel with zinc plated finish; UL approved. Serrated teeth help prevent loosening of the connection due to vibrations. Features: Tightens without deformation UL listed Applications: To connect externally threaded conduit or connector to a threadless opening in a box or enclosure