McKinney TA786-4-1/2x4-1/2-US26D-NRP Full Mortise Heavy Weight Concealed Bearing Hinge, Three Knuckle, 4-1/2" x 4-1/2", Non Removable Pin, Square Corner, 626 Satin Chrome Finish

The McKinney TA786-4-1/2x4-1/2-US26D-NRP is a full mortise, heavy weight hinge engineered for high-traffic and high-frequency door openings where reliability matters most. Built with a three knuckle, concealed bearing design, it delivers smooth, quiet operation while supporting substantial door loads over the long term. Measuring 4-1/2" x 4-1/2" with square corners, this hinge fits standard commercial door and frame preparations. The non-removable pin (NRP) feature adds a layer of security for out-swinging exterior doors by preventing pin removal from the hinge side. Finished in 626 Satin Chrome, it offers a clean, durable appearance suited to a wide range of commercial applications.

Features

• Heavy weight construction designed for high-frequency and high-traffic door openings.
• Concealed bearing design provides smooth, quiet, and consistent operation.
• Three knuckle configuration for balanced strength and load distribution.
• Non-removable pin (NRP) enhances security on out-swinging exterior doors.
• 4-1/2" x 4-1/2" size with square corners fits standard commercial preparations.
• Attractive and durable 626 Satin Chrome (US26D) finish.

Functional Details

The non-removable pin prevents the hinge pin from being taken out while the door is closed, protecting against forced entry on out-swinging doors. The concealed bearings carry the door weight internally, reducing wear and maintaining alignment through years of service.

• Concealed bearing for heavy weight, high-frequency service.
• Non-removable pin (NRP) option for added security.