National Mfg N128-322 6 Inch Heavy Galvanized Strap Hinge

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N128-322 is a heavy-duty galvanized strap hinge designed for wide mounting surface applications including barn doors, shed doors, storage bins, tool boxes, and gates. The hinge features a brass pin and offset screw holes engineered to deliver extra holding strength while reducing the risk of wood splitting during installation. Built for demanding service, it is sold as a loose unit and suits both right-hand and left-hand configurations without any modification. The tight-pin design keeps the hinge secure and minimizes play under load, making it a reliable choice for carpenters, general contractors, and maintenance professionals working on agricultural or storage structures.

This strap hinge is suited for residential and light commercial applications where wide-leaf coverage is needed across large door panels or gate frames. Typical installations include barn and shed door sets, heavy storage bin lids, tool box covers, and wood or metal gate assemblies. The galvanized finish provides corrosion resistance for both interior and exterior use. The offset screw hole pattern distributes fastener load across the wood substrate, which is especially useful on thick timber framing common in agricultural construction.

Key Features

• 6-inch strap length suitable for wide mounting surfaces on doors, gates, and storage applications
• Galvanized finish for corrosion resistance in interior and exterior environments
• Brass pin construction for durability and smooth pivot action
• Offset screw holes provide extra strength and help prevent wood splitting
• Tight-pin design supports both right-hand and left-hand door or gate installations
• Heavy-duty construction rated for barn doors, shed doors, storage bins, tool boxes, and gates

Compatibility

Designed for wide mounting surface applications including barn and shed doors, storage bins, tool boxes, and gates where a heavy-duty galvanized strap hinge is required.

Installation Notes

Installation is typically performed by carpenters, general contractors, or experienced DIYers using standard hand tools and appropriate wood screws. Power down any electrically operated gate or door operator before beginning work. Use fasteners rated for the substrate material and environment to maintain the corrosion resistance of the galvanized finish. Follow applicable local building codes for structural hardware when used on load-bearing gate or door assemblies.