McKinney TA314-4-1/2x4-1/2-US32D-NRP Full Mortise Standard Weight Concealed Bearing Hinge, Three Knuckle, 4-1/2" x 4-1/2", Non Removable Pin, Square Corner, 630 Satin Stainless Steel Finish

The McKinney TA314-4-1/2x4-1/2-US32D-NRP is a full mortise, standard weight hinge built for reliable performance on medium-frequency commercial openings. Featuring a concealed bearing, three knuckle design, this hinge delivers smooth, quiet operation while supporting the weight of interior and exterior doors. The 4-1/2" x 4-1/2" size fits standard door and frame preparations, and the square corner profile is compatible with common templating. Finished in 630 Satin Stainless Steel, it offers durability and corrosion resistance in demanding environments. The non removable pin (NRP) adds security by preventing pin removal from the hinge side, making it a smart choice for outswinging doors.

Features

• Standard weight full mortise construction suited for medium-frequency commercial doors.
• Concealed bearing design ensures long-lasting, smooth movement.
• Three knuckle configuration provides balanced load distribution.
• Non removable pin (NRP) enhances security on outswing applications.
• Square corner profile matches standard door and frame preparation.
• 630 Satin Stainless Steel finish offers strong corrosion resistance.

Functional Details

The non removable pin prevents the hinge pin from being pulled once the door is closed, protecting outswinging doors from tampering. The concealed bearing manages friction internally for consistent, quiet operation over the life of the hinge.