McKinney MPS679-4-1/2x4-1/2-US26D Full Mortise MacPro Heavy Weight Ball Bearing Hinge, Five Knuckle, 4-1/2" x 4-1/2", Square Corner, 626 Satin Chrome Finish

The McKinney MPS679 MacPro is a full mortise heavy weight ball bearing hinge engineered for high-traffic commercial openings where reliable performance and controlled door closure matter. Measuring 4-1/2" x 4-1/2" with a square corner profile and a five knuckle design, this hinge is part of the MacPro adjustable spring hinge set paired with standard butt hinges. Finished in 626 Satin Chrome (US26D), it delivers a clean, professional appearance that complements a wide range of door and frame hardware. Built for durability, the MPS679 combines smooth ball bearing operation with the self-closing convenience of an adjustable spring mechanism, making it a dependable choice for institutional, commercial, and heavy-use applications.

Features

• Full mortise mounting for concealed installation on the door and frame.
• Heavy weight construction rated for high-frequency, high-traffic openings.
• Ball bearing design ensures smooth, quiet operation and reduced wear.
• Five knuckle configuration provides balanced load distribution.
• Square corner profile fits standard commercial mortise preparations.
• 626 Satin Chrome finish offers a durable, corrosion-resistant surface.
• Part of the MacPro adjustable spring hinge set with matching butt hinges.

Functional Details

The MacPro MPS679 set combines an adjustable spring hinge with standard butt hinges to provide self-closing action on the door. The spring tension can be adjusted at installation to control the closing force, allowing the door to return to its closed position reliably without a surface-mounted closer.

• MacPro adjustable spring hinge set supplied with butt hinges.
• Adjustable spring tension for controlled self-closing action.

Included Components

This MacPro set is supplied as an adjustable spring hinge combined with matching 4-1/2" x 4-1/2" butt hinges to complete a single door opening.