McKinney 1502 4 1/2" x 4 1/2" Single Acting Spring Hinge Standard Weight.

The McKinney 1502 is a single acting spring hinge built for standard weight doors that need reliable, self-closing performance. Measuring 4 1/2" x 4 1/2", this hinge combines a durable steel construction with an adjustable spring mechanism that returns the door to its closed position after each use. It's a practical choice for commercial and residential applications where controlled door closing is required without a full closer assembly. With its full mortise design and tension-adjustable spring, the 1502 offers dependable operation and easy installation, making it a proven solution for interior openings and code-driven closing needs.

Features

• Single acting spring hinge that automatically returns the door to the closed position.
• Standard weight construction suited for medium-frequency door applications.
• 4 1/2" x 4 1/2" size fits common commercial and residential door preparations.
• Adjustable spring tension allows the closing force to be tuned to the opening.
• Full mortise design for a clean, concealed installation.

Functional Details

The single acting spring hinge uses an internal coil spring that stores tension as the door opens and releases it to pull the door back to the closed position, providing a self-closing action that swings in one direction.

• Single acting spring hinge.
• Standard weight.
• Adjustable spring tension.