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McKinney TA2731 5x5 Two-Knuckle Standard Weight Full Mortise Hinge
The McKinney TA2731 is a 5x5 two-knuckle standard weight full mortise butt hinge engineered for reliable door swing performance in demanding commercial and institutional applications. As a full mortise hinge, the TA2731 is designed to recess cleanly into both the door edge and frame rabbet, producing a flush, professional installation that distributes load evenly across the door leaf. The two-knuckle construction delivers a streamlined profile while maintaining the structural integrity required for standard weight door applications. The McKinney TA2731 is Approved for NFPA 80 fire-rated openings.
Institutional Grade Features & Benefits
- Full Mortise Design: Recesses into both the door and frame for a flush, clean appearance and secure mechanical engagement -- the preferred installation method for commercial-grade door assemblies.
- Two-Knuckle Construction: Provides a refined, low-profile aesthetic while maintaining adequate pivot strength for standard weight door applications.
- 5x5 Hinge Size: The 5-inch by 5-inch leaf dimensions offer broad bearing surface coverage, supporting proper weight distribution on medium to heavy standard weight doors.
- Standard Weight Rating: Appropriately sized for standard weight door and frame combinations, balancing performance with cost-effective specification.
- Fire Rating: Approved for NFPA 80 fire-rated openings.
- McKinney Quality: Manufactured under the McKinney brand, a well-established name in commercial door hardware known for consistent dimensional accuracy and finish quality.
Technical Details
| Feature | Details |
|---|---|
| Brand | McKinney |
| Model / Part Number | TA2731 |
| Part Type | Hinge -- Full Mortise Butt Hinge |
| Hinge Size | 5 in x 5 in |
| Knuckle Count | Two-Knuckle |
| Weight Class | Standard Weight |
| Installation Type | Full Mortise |
| Fire Rating | Approved for NFPA 80 fire-rated openings |
| Gauge (Thickness) | 0.146 in. |
Typical Applications
The McKinney TA2731 5x5 two-knuckle full mortise hinge is well-suited for commercial office buildings, educational facilities, healthcare environments, and other institutional settings where fire-rated door hardware is required by specification or code. Its full mortise configuration makes it compatible with standard commercial hollow metal and wood door and frame preparations calling for a 5x5 hinge footprint.
Gauge (thickness): 0.146 in. -- the exact steel leaf thickness for this weight class and leaf height, per the McKinney Full-Line Catalog (AADSS1010289).
Documentation
| General - US Finishes | US26 - Polished Chrome or BSP - Black Suede Power Coat or US15 - Satin Nickel or US10 - Satin Bronze or US10B - Oil Rubbed Bronze |
| Brand | McKinney |
| Hinge Type | Full Mortise |
| Hinge Mounting | Full Mortise |
| Hinge Height | 5.0" Hi |
| Hinge Width | 5.0" Wi |
| Hinge Grade/Thickness | Standard Wt .119 to .146 |
| Hinge Corners | Square |
| Hinge Knuckle | 2 Knuckles |
| Base Material | Steel |
| Part Type | Hinge |
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