National Hardware National Hardware N351-504 Flat Corner Brace, Black Steel, 1-1/2 X 4-1/2 In.

A flat corner brace is an essential reinforcement hardware for securing right-angle joints in framing, cabinetry, shelving, door frames, and structural assemblies. This National Hardware brace strengthens 90-degree corners by mounting to the side of the joint, eliminating wobble and extending the life of your construction. Its low-profile flat design slides discreetly against surfaces while delivering dependable load-bearing capacity, making it ideal for professional contractors and DIY projects alike.

The black powder-coated steel finish provides superior rust and corrosion resistance, maintaining its appearance through repeated handling and exposure to moisture. Whether reinforcing cabinets, shelves, or frames indoors or outdoors, this brace combines strength, precision, and a clean aesthetic that complements any décor.

Features and Benefits

• Heavy-Duty Steel Construction: Provides maximum load-bearing capacity for demanding projects and long-lasting structural reinforcement.
• Black Powder-Coated Finish: Offers superior rust and corrosion resistance with a professional appearance that resists fading through repeated use.
• Flat Low-Profile Design: Fits snugly against surfaces and joints, preserving a clean, unobtrusive look while reinforcing corners.
• Carriage Bolt Slots: Pre-drilled 5/16-inch slots accommodate standard carriage bolts for secure fastening.
• Versatile Size: 1-1/2-inch width and 4-1/2-inch length suit a wide range of woodworking, metalworking, and construction applications.
• Easy Installation: Simple to attach with standard fasteners, saving time and labor costs.

Specifications

• Brand: National Hardware
• Model: N351-504
• Material: Steel
• Finish: Black powder coat
• Dimensions: 1-1/2 in. W x 4-1/2 in. L x 4-1/2 in. H
• Fastener Slots: 5/16 in. carriage bolt
• Design: Flat corner brace for 90-degree angle reinforcement