McKinney 5540-4-US32D Reinforcing Hinge, 630 Satin Stainless Steel Finish

McKinney 5540-4-US32D Reinforcing Hinge, 4", 630 Satin Stainless Steel FinishThe McKinney 5540-4-US32D Reinforcing Hinge is engineered to strengthen door and frame connections in high-traffic commercial openings where standard hinges may fall short. Built from durable stainless steel and finished in a clean 630 Satin Stainless Steel appearance, this 4-inch hinge adds reinforcement to help prevent sagging and premature wear on heavy or frequently used doors. Its rugged construction and corrosion resistance make it well suited for demanding environments such as schools, hospitals, and office buildings. As part of McKinney's trusted 5540 series, this hinge delivers reliable, long-lasting support while maintaining a polished, professional look that blends seamlessly with matching hardware.Features Reinforcing design adds extra support to help prevent door sag and hinge fatigue. Durable stainless steel construction offers strong corrosion resistance. Attractive 630 Satin Stainless Steel finish complements a wide range of commercial hardware. 4-inch size fits standard commercial door and frame applications. Ideal for medium to high-frequency openings in institutional and commercial settings. Product Specifications Manufacturer McKinney SKU 5540-4 Product Type Reinforcing Hinge Finish 630 Satin Stainless Steel (US32D) Series 5540 Base Material Stainless Steel Grade Heavy Weight Origin USA Unit of Measure Each Application Commercial Doors Technical Specifications Hinge Size 4" x 4" Series 5540 Weight Class Heavy Weight Material Stainless Steel Bearing Type Ball Bearing Number of Knuckles 5 Leaf Configuration Full Mortise Pin Type Non-Removable / Standard Gauge Heavy Gauge Corrosion Resistance Stainless Steel