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McKinney TA786 Concealed Bearing Hinge | 4-1/2" x 4" Heavy Weight 3-Knuckle
The McKinney TA786 is an industrial-strength, full-mortise architectural hinge engineered for high-traffic commercial environments where durability and aesthetics must coexist. Featuring a sophisticated 3-knuckle design and advanced concealed bearings, this hinge provides a sleek, modern profile without sacrificing the extreme load-bearing capacity required for heavy-duty openings. It serves as the premier solution for door restoration, offering a clean, high-end look for schools, hospitals, and government facilities.
Engineered with vertical and lateral thrust twin anti-friction bearings at both joints, the TA786 ensures a lifetime of smooth, silent operation under heavy stress. These bearings are completely concealed within the knuckles, protecting them from environmental contaminants while providing a tamper-resistant solution for commercial door security. This hinge is a vital component for any solution for door surface repair, as its heavy .180 gauge thickness and standard template screw hole pattern allow for the seamless replacement of failed hardware on high-use metal or wood doors.
Key Features & Performance
- Concealed Anti-Friction Bearings: Features twin bearings hidden within the joints to manage heavy vertical and lateral thrust, acting as a permanent solution for door edge reinforcement.
- Heavy-Weight Construction: Built with a .180 gauge thickness, specifically engineered to withstand the rigors of high-traffic institutional use without sagging or failing.
- Aesthetic 3-Knuckle Profile: Offers a contemporary, architectural look with a flush pin and non-rising steel pin for a clean, unbroken leaf line.
- Versatile Plated Finishes: Available in high-quality plated finishes that act as a protective remodeling scar plate, providing maximum resistance to corrosion and physical wear.
- Precision Sizing: The 4-1/2" x 4" dimensions are ideal for specific frame requirements where a narrower leaf width is necessary for proper clearance on heavy doors.
Technical Details & Specifications
- Brand: McKinney (ASSA ABLOY)
- Model Number: TA786
- Dimensions: 4-1/2" Height x 4" Width (Full Mortise)
- Bearing Type: Concealed Vertical & Lateral Thrust (TA Prefix)
- Knuckle Count: 3 Knuckle
- Thickness: Heavy Weight .180 Gauge
- ANSI Number: A8111
- Fasteners Included: Furnished with All Wood Screws (1-1/4" x 12 FPHW) and All Machine Screws (1/2" x 12-24 FPHM).
Why Choose the McKinney TA786?
The McKinney TA786 is the professional’s choice for projects that demand the perfect balance of architectural elegance and heavy-duty performance. While standard 5-knuckle hinges show visible bearing lines, the concealed bearing technology of the TA786 delivers a smooth, streamlined profile without compromising on strength. It offers a permanent and cost-effective solution for door security, providing the industrial-grade reliability and polished, high-end appearance required for modern institutional spaces.
| General - US Finishes | US26D - Satin Chrome or US15 - Satin Nickel |
| Brand | McKinney |
| Hinge Height | 4.5" Hi |
| Hinge Width | 4.0" Wi |
| Hinge Grade/Thickness | Heavy Wt .180 to .190 |
| Hinge Type | Full Mortise |
| Hinge Options | Concealed Bearing |
| Base Material | Steel |
| Hinge Corners | Square |
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