Description
TMI GI Metal Conduit Box Lock Nut (FA) (3/4″ & 1″) – Excellent for Secure Threaded Hexagonal Fastener for Electrical Boxes
The TMI Heavy Duty GI Metal Conduit Box Lock Nut is an indispensable, threaded fitting used to securely fasten a rigid metal conduit Box (RMC) pipe or a threaded fitting to the wall of an electrical junction box, enclosure, or fitting.
When used in tandem with another Conduit Box is lock nut (one inside and one outside the enclosure), it provides a powerful, vibration-resistant grip that prevents the conduit or fitting from loosening.
This stability is crucial for maintaining a permanent and safe electrical installation, especially in areas subject to movement or vibration.
Constructed from robust, Galvanized Iron (GI) or die-cast zinc/steel, the TMI Lock Nut is built for exceptional mechanical strength and long-term durability.
The galvanization process provides excellent corrosion resistance, ensuring the lock nut maintains its integrity and function even in harsh, damp, or corrosive industrial environments.
Furthermore, the metallic construction ensures a reliable, continuous bond for system grounding, fulfilling critical safety requirements.
The Lock Nut features a distinct hexagonal shape, which allows it to be easily tightened using a standard wrench, guaranteeing a strong seal.
It is available in standard thread sizes of 3/4-inch and 1-inch (20mm and 25mm metric equivalents), making it fully compatible with BS and MS standard metal conduit systems.
The TMI Lock Nut is the essential, reliable fastener for all professional heavy-duty conduit connections.
Product Features:
| Feature | Details |
| Product Type | Lock Nut (Hexagonal Threaded Fastener) |
| Material | Heavy Duty Galvanized Metal (Galvanized Iron / Zinc/Steel Die Cast) |
| Shape | Hexagonal (Allows for easy tightening with a wrench) |
| Size/Thread | Available in 3/4″ (20mm) and 1″ (25mm) thread sizes |
| Function | Used to secure conduit or fittings to boxes/enclosures and prevent loosening |
| Key Property | Provides a vibration-resistant, grounded connection with high corrosion resistance |
| Standard Compliance | Compatible with BS and MS standard metal conduit systems |
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