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The GIBRALTAR 23090.0016 is a standard coupling nut designed to join two externally threaded fasteners along a common axis. Machined from steel with a black phosphate coating, this nut provides corrosion resistance and a consistent surface finish suited to industrial and mechanical assembly environments. The M16x2.00 right-hand thread is cut to DIN 6334 standards, ensuring dimensional conformance with mating hardware. At a material grade of 10, it carries the load ratings expected in structural and heavy-duty mechanical connections. Licensed tradespeople and industrial maintenance technicians are the primary installers of this type of hardware.
This coupling nut is used in applications where threaded rod extensions, anchor bolt assemblies, or linear fastener connections are required. Typical install scenarios include structural steel fabrication, equipment mounting, conveyor and frame assemblies, and general mechanical maintenance. The black phosphate finish makes it suitable for interior or moderately protected exterior applications where some corrosion protection is needed without full plating. Minimum order quantity is 5 pieces.
Designed as a standard DIN 6334 coupling nut compatible with M16x2.00 right-hand threaded rod, studs, and bolts conforming to metric thread standards.
Installation is performed with a standard open-end or combination wrench sized to 24mm across the flats. Ensure mating threaded components are clean and free of debris before engagement to prevent cross-threading. Apply thread lubricant or anti-seize compound as appropriate for the service environment. Follow applicable mechanical and structural codes for torque and fastener grade requirements specific to the assembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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