National Mfg N222-182 U-bolt Zinc 5/16x2.5x3.5 with Nuts

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N222-182 is a zinc-plated U-bolt supplied with a plate nut and hex nuts, sized at 5/16 inch diameter with a 2.5 inch inner width and 3.5 inch leg length. It is used to hang or fasten pipes, conduit, wood members, and similar materials to structural supports. The zinc finish provides basic corrosion resistance suited for indoor and light-duty sheltered applications. Each package contains 5 U-bolts with accompanying hardware, sold loose in a box. This fastener is appropriate for plumbing, automotive, and general industrial work where a secure pipe or rod clamp is needed.

This U-bolt is suited for residential and light commercial applications including pipe hanging in plumbing rough-in work, securing conduit or tubing, and general fastening to wood framing or metal supports. The included plate and hex nuts allow for quick assembly without sourcing separate hardware. Plumbers, pipefitters, electricians, and general contractors commonly stock this size for repetitive hanging tasks. Package quantity of 5 units per box makes it practical for jobs requiring multiple anchor points along a run of pipe or conduit.

Key Features

• 5/16 inch diameter threaded rod legs for standard nut compatibility
• 2.5 inch inner width accommodates common pipe and conduit sizes
• 3.5 inch leg length provides clearance for surface mounting with plate nut
• Zinc finish for corrosion resistance in interior and sheltered environments
• Includes plate nut and hex nuts — no additional hardware required for installation
• Packaged 5 units per box for multi-point hanging applications

Compatibility

Designed for hanging or fastening to pipe, wood, and similar substrates in automotive, plumbing, and general home or industrial applications. Not rated for overhead lifting, support of human weight, or athletic and playground equipment.

Installation Notes

Installation is typically performed by plumbers, pipefitters, or general tradespeople using standard hand tools. Ensure the mounting surface is structurally adequate for the intended load before fastening. Do not use this U-bolt for overhead lifting, suspension of human weight, or safety-critical structural applications. Inspect installed hardware frequently for signs of loosening, corrosion, or wear; consult the manufacturer if safety questions arise.