National Hardware 512R Series 5/8" radius round corner door hinge in matte black finish. Built from heavy-gauge cold-rolled steel with a five-knuckle, full-mortise design, this 4" hinge features 5/8" radius rounded corners and a removable pin for easy installation and door removal. Sized for solid-core interior doors and standard residential exterior doors.

• Heavy-gauge cold-rolled steel construction
• Five-knuckle, full-mortise design
• 5/8" radius round corners with countersunk screw holes
• Removable pin for easy installation and door removal
• 8-hole pattern (4 holes per leaf)
• Matte Black finish
• Decorative nib on top of hinge for finished appearance
• Mounting screws included
• 1 hinge per package

Tip: Standard residential installations use 2 hinges on interior doors and 3 hinges on exterior or heavier doors. Sold individually.