National Hardware 4 in. Black Square Corner Door Hinge

The National Hardware 4 in. Black Square Corner Door Hinge offers dependable strength and smooth operation for residential door installations. Manufactured from solid cold-rolled steel, this hinge is engineered to withstand everyday use on interior and exterior entryways while maintaining structural alignment. Featuring a sleek black finish, this door hinge provides enhanced corrosion resistance and complements a wide variety of door hardware styles. The square corner design facilitates straightforward mortise mounting, making it an excellent choice for both new installations and replacement projects.