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The NATIONAL HARDWARE N351-482 is a heavy-duty corner brace designed to reinforce 90-degree angle joints in structural and general framing applications. The brace can be applied to either the inside or outside of a corner, giving installers flexibility depending on the assembly. It features a black powder coat finish that resists corrosion and weathering, making it suitable for both interior and exterior use. Each side includes clearance for a 5/16-inch bolt or 2 nails, and the 45-degree hole pattern for nails simplifies installation without requiring specialized tools. At 0.15 pounds, it is lightweight but built for reliable load transfer when properly fastened.
This corner brace is suited for residential and light commercial construction and repair work. Typical applications include reinforcing cabinet corners, furniture joints, door frames, shelving units, and wood framing assemblies where 90-degree angle support is required. It is commonly installed by carpenters, general contractors, and experienced DIYers. The bracket works on both flat and corner surfaces and accommodates a variety of fastener types, allowing adaptation to different substrates and load requirements.
Designed as an OEM-style structural accessory compatible with standard wood framing, cabinetry, shelving, and furniture assemblies requiring 90-degree angle reinforcement with 5/16-inch bolt or nail fastening.
Installation is performed by carpenters or general contractors using standard hand or power tools. Shut off or secure any powered equipment associated with the assembly before attaching the brace. Fastener selection and safe working load depend on the specific application and substrate — consult a design professional when load-bearing performance is critical. Do not exceed the rated fastener clearances; using oversized fasteners may compromise the brace integrity.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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