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

The McKinney TA786-4-1/2x4-US26D-NRP is a full mortise heavy weight hinge engineered for high-frequency, high-traffic openings where durability matters. Built with a three knuckle, concealed bearing design, it delivers smooth operation and dependable load support over years of service. Measuring 4-1/2" x 4" with square corners, this hinge finishes in 626 Satin Chrome (US26D) for a clean, professional appearance. The non removable pin (NRP) feature adds security by preventing pin removal when the door is closed, making it well suited for exterior and out-swinging doors. It's a solid choice for commercial and institutional applications that demand strength and reliability.

Features

• Heavy weight construction designed for high-frequency and heavy doors.
• Concealed bearing design provides quiet, smooth swing performance.
• Three knuckle configuration for balanced load distribution.
• Non removable pin (NRP) enhances security on out-swinging doors.
• Square corner template fits standard commercial door and frame prep.
• 626 Satin Chrome finish offers a durable, refined look.

Functional Details

The non removable pin prevents the hinge pin from being backed out while the door is in the closed position, protecting the opening against tampering. The concealed bearings carry the door weight and reduce wear across repeated cycles.

• Concealed bearing hinges are recommended for high frequency and/or heavy weight doors.
• Non removable pin (NRP) recommended for out-swinging exterior or reverse bevel doors.