National Mfg N179-366 5/8-11x12 Steel Threaded Rod

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N179-366 is a 5/8-11 x 12 inch steel threaded rod built for hanging, connecting, clamping, and supporting across plumbing, heating, and electrical applications. It features UNC coarse threads and meets ASTM A307 Grade A standards, giving it a safe working load of 4,500 lbs. The rod can be drilled, cut, heated, or shaped in the field, making it adaptable to a wide range of fastening and support needs. It is rated for interior use and sold as a single unit.

This threaded rod is commonly used by plumbers, HVAC technicians, and electricians for pipe hangers, equipment supports, conduit struts, and structural tie-rods in residential and light commercial interiors. Its coarse UNC thread pattern is compatible with standard hex nuts, coupling nuts, and threaded inserts available in most trade applications. The 12 inch length suits a variety of overhead and in-wall support configurations without requiring cutting in many standard installations.

Key Features

• 5/8-11 UNC coarse thread for compatibility with standard hardware
• Safe working load of 4,500 lbs under rated conditions
• Meets ASTM A307 Grade A specification
• Field-workable: can be drilled, cut, heated, or shaped
• Rated for interior applications in plumbing, heating, and electrical installs
• 12 inch length, sold individually

Compatibility

Designed as an OEM-style fastening component for interior plumbing, heating, and electrical support applications using standard 5/8-11 UNC threaded hardware.

Installation Notes

Installation is typically performed by licensed plumbers, HVAC technicians, or electricians depending on the application. De-energize electrical systems and shut off fluid supply lines before installing support hardware in active systems. Use appropriate thread-engaging nuts and washers rated for the intended load. Follow applicable local mechanical and building codes when sizing and spacing rod hangers for pipe or equipment support.