National Hardware 3-1/2 in. Plain Steel Surface Door Hinge

The National Hardware 3-1/2 in. Plain Steel Surface Door Hinge is engineered for durable and dependable performance on utility doors, gates, and steel enclosures. Manufactured from heavy-duty steel with a clean plain finish, this full-mortise hinge is specifically designed for weld-on surface mounting. Featuring a solid five-knuckle construction with a tight, non-removable pin, it supports both right-hand and left-hand applications. Its rugged construction delivers smooth operation and lasting strength for agricultural, commercial, and shop installations.