3-1/2" Steel Grounding Locknuts

3-1/2" Steel Grounding Locknuts – Electrical Conduit Fittings Southwire's 3-1/2" Steel Grounding Locknuts are designed for use with threaded conduit systems requiring secure locking and grounding connections. These locknuts provide reliable mechanical and electrical continuity when connecting externally threaded conduit connectors to threadless openings in electrical boxes or enclosures. Suitable for electrical distributors and switchgear suppliers, they ensure stable grounding in various lighting solutions and wire and cable installations. Specifications Material of Construction: Steel Height: 0.19 IN Product Weight: 0.2040 lbs Manufacturer Part #: 559 Size: 3-1/2" Threads Per Inch: 8 Thread Pitch Diameter: 3.892 - 3.904 IN Finish: Zinc plated UL Listed: UL 514B Features Heavy gauge steel construction for durability and performance Serrated teeth design for enhanced bite and resistance to loosening Tightens without deformation to maintain secure connections UL Listed for safety and compliance Designed to connect externally threaded conduit connectors to threadless openings Downloads & Links Spec Sheet