National Mfg N179-622 Zinc Threaded Rod 1/2-13 X 72 in

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N179-622 is a zinc-plated threaded rod sized at 1/2-13 x 72 inches, designed for general fastening, hanging, and structural support applications across mechanical, plumbing, and construction trades. The rod features UNC coarse threads along its full length and carries a minimum tensile strength of 6 KSI with a safe working load (SWL) of 3,100 pounds. Its zinc finish provides basic corrosion resistance for interior and sheltered installations. Plumbers, pipefitters, HVAC installers, and general contractors use this rod for pipe hangers, equipment mounts, and framing tie-downs.

This threaded rod is suited for residential and light commercial installations where a full-length 72-inch zinc rod is needed for custom-cut hanging assemblies or structural connections. It meets ASTM A37 Grade A standards, confirming consistent material quality for trade use. The rod can be drilled, cut, heated, and shaped on the job site, giving installers flexibility to fit it to specific span and load requirements. It is sold in a package quantity of three rods per unit.

Key Features

• UNC coarse thread pattern along the full 72-inch length for broad nut and coupling compatibility
• Zinc finish for basic corrosion resistance in interior and sheltered environments
• Meets ASTM A37 Grade A material standard
• Minimum tensile strength of 6 KSI with a safe working load of 3,100 pounds
• Field-workable: can be cut, drilled, heated, or shaped without special tooling
• Sold in packs of 3 rods per package

Compatibility

Designed as a standard 1/2-13 UNC coarse-thread zinc rod compatible with 1/2-inch threaded rod couplings, nuts, hangers, and strut channel fittings commonly used in HVAC, plumbing, and electrical support applications.

Installation Notes

Installation is typically performed by licensed plumbers, pipefitters, HVAC technicians, or general contractors. Follow applicable building codes and load tables when sizing rod hangers for pipe or equipment support. Use a thread-cutting tool or hacksaw with a die to clean threads after any field cuts. Confirm that the SWL is not exceeded for the intended hanging or structural application before final assembly.