National Hardware 4 in. Stainless Steel Square Corner Door Hinge

The National Hardware 4 in. Stainless Steel Square Corner Door Hinge is engineered to deliver reliable strength and smooth operation across residential, commercial, and industrial door applications. Crafted from premium stainless steel, this hinge offers superior corrosion resistance, making it an ideal choice for both interior and exterior environments where long-lasting durability is essential. Featuring a five-knuckle, full mortise design with square corners and countersunk screw holes, this heavy-duty hinge provides a clean, flush fit and finished appearance. The non-rising, removable pin allows for easy installation and maintenance while maintaining optimal alignment and support under regular use.