National Mfg N218-230 Threaded Rod 3/8-16 X 36 in Unc

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N218-230 is a 3/8 inch-16 x 36 inch threaded rod designed for hanging, connecting, clamping, and supporting in plumbing, heating, and electrical applications. It features UNC coarse threads and is coated with Weatherguard Protection to resist corrosion in harsh outdoor and marine environments. The rod has a safe working load of 1,700 lbs, making it a practical fastener choice for trade professionals handling mechanical support and system installations across multiple disciplines.

This threaded rod is suited for residential and commercial plumbing, HVAC, and electrical work where a reliable, corrosion-resistant fastener is required. It performs especially well in marine environments and other outdoor settings where exposure to moisture and weather is a consistent concern. The rod can be drilled, cut, heated, or shaped on the job site, giving installers flexibility during rough-in and support work across a wide range of applications.

Key Features

• 3/8 inch-16 UNC coarse thread configuration for broad hardware compatibility
• 36 inch length allows field cutting to required dimensions
• Weatherguard Protection coating provides corrosion resistance in marine and outdoor environments
• Safe working load of 1,700 lbs
• Can be drilled, cut, heated, or shaped on site for custom fitment
• Suitable for plumbing, heating, and electrical support applications

Compatibility

Designed for use in plumbing, heating, and electrical support applications including pipe hangers, equipment mounts, and structural connections requiring 3/8 inch-16 UNC threaded hardware.

Installation Notes

Installation is typically performed by licensed plumbers, electricians, or HVAC technicians as part of pipe hanger and equipment support work. Wear appropriate eye and hand protection when cutting or drilling the rod on site. Follow applicable local mechanical and building codes when determining support spacing and load requirements. Verify that all mating hardware, such as nuts and couplers, matches the 3/8 inch-16 UNC thread specification before assembly.