National Mfg N221-705 Hook Bolt Hex Nut 3/8x10 Zinc 10-pack

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N221-705 is a zinc hook bolt supplied with two hex nuts, sized at 3/8 inches in diameter and 10 inches in length. It is designed for hanging and fastening applications in both industrial and residential settings. The zinc finish provides basic corrosion resistance for interior and light-duty use. Each package contains 10 hook bolts, each furnished with 2 hex nuts, and the hardware ships boxed loose. Installers and maintenance professionals working on hanging fixtures, pipe supports, or overhead fastening tasks will find this a standard utility fastener.

This hook bolt is suited for general hanging applications in warehouses, workshops, garages, and residential structures. It supports tasks such as suspending pipes, conduit, storage hardware, or fixtures from framing or structural members. The included hex nuts allow for secure, adjustable fastening without sourcing additional hardware. At 3/8 inches diameter and 10 inches length, it accommodates applications requiring a longer reach through thick framing, panels, or insulation.

Key Features

• 3/8 inches diameter x 10 inches length for longer-reach hanging applications
• Zinc finish for light corrosion resistance in interior environments
• Furnished with 2 hex nuts per bolt for secure, adjustable installation
• Package contains 10 units for multi-point installations or stocking
• Boxed loose for easy access on the job site

Compatibility

Designed as a general-purpose hook bolt for hanging industrial and home products where a 3/8 inches threaded hook fastener is specified.

Installation Notes

Hook bolts of this type are typically installed by general contractors, maintenance technicians, or qualified tradespeople. Before installation, ensure the mounting structure can support the intended load. Use appropriate hand tools to tighten hex nuts to a snug fit without over-torquing the zinc-plated threads. Follow applicable building codes and load rating guidelines for overhead fastening applications.