McKinney TA386-5x4-1/2-US32D-NRP Full Mortise Heavy Weight Concealed Bearing Hinge, Three Knuckle, 5" x 4-1/2", Non Removable Pin, Square Corner, 630 Satin Stainless Steel Finish

The McKinney TA386-5x4-1/2-US32D-NRP is a full mortise heavy weight hinge built for high-frequency, high-traffic openings that demand long-term reliability. Featuring a three knuckle concealed bearing design, this hinge delivers smooth, quiet operation while supporting heavier doors without sagging over time. It measures 5" x 4-1/2" and comes with a square corner template and a non-removable pin (NRP) for added security on outswing exterior doors. Finished in 630 Satin Stainless Steel (US32D), it offers excellent corrosion resistance and a clean, professional appearance. The TA386 is a dependable choice for commercial entrances, institutional buildings, and other demanding applications.

Features

• Full mortise heavy weight construction engineered for high-frequency, high-traffic openings.
• Three knuckle concealed bearing design provides smooth, quiet, long-lasting operation.
• Non-removable pin (NRP) increases security on outswing doors by preventing pin removal.
• Square corner configuration for standard mortised door and frame preparations.
• Durable 630 Satin Stainless Steel finish resists corrosion and wear.
• 5" x 4-1/2" size suited for a wide range of commercial door applications.

Functional Details

The concealed bearing system houses the bearings within the knuckles, protecting them from dirt and contaminants while ensuring consistent, friction-free swing. This construction extends hinge life on doors subject to heavy use and heavy weight.

• Concealed bearing hinges for use on heavy weight doors and/or doors requiring high frequency service.
• Non Removable Pin (NRP) recommended for outswinging exterior doors.