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McKinney T4A3786 Heavy Weight Hinge | 5" x 4.5" Bearing Steel
The McKinney T4A3786 is an industrial-strength heavy weight bearing hinge engineered for the most demanding high-traffic openings in commercial construction. With a massive .190 gauge thickness, this 5-knuckle, full mortise hinge is a premier solution for door restoration on extra-heavy wood or metal doors. Its specialized Oil Impregnated Bearings provide maintenance-free, self-lubricating operation that excels in public buildings, hospitals, and high-frequency commercial spaces.
Advanced Oil Impregnated Bearings (TA Prefix)
The TA Prefix signifies McKinney’s high-performance self-lubricating bearing system. These one-piece, non-ferrous bearings ensure:
- Superior Longevity: Drastically reduces wear and friction for a smoother, longer-lasting door swing under extreme loads.
- Environmental Resilience: Specifically engineered to resist clogging and corrosion, preventing common hinge failures in high-abuse environments.
- Minimal Maintenance: Designed for high-traffic areas where maintenance must be kept to a minimum, acting as a permanent solution for door edge reinforcement.
High-Performance Construction & Safety
- Heavy-Duty .190 Gauge Steel: Built for robust applications, this hinge ensures strength and stability in every swing, maintaining perfect door alignment.
- 3-Hour Fire Rating: Rigorously tested and UL listed for use on fire-rated door assemblies for up to 3 hours, ensuring full compliance with life-safety codes.
- ANSI/BHMA A156.1 Compliant: Corresponds to industry-standard ANSI A8111, meeting recognized benchmarks for structural durability and safety.
- Non-Rising Steel Pin: Features a secure pin with professional button tips to maintain architectural appeal and prevent pin migration over time.
Technical Details & Specifications
- Brand: McKinney (ASSA ABLOY)
- Model: T4A3786
- Dimensions: 5" Height x 4.5" Width (Heavy Weight .190 Thickness)
- Base Material: High-strength plated steel.
- Fasteners Included: Furnished with All Wood Screws (1-1/4" x 12 FPHW) and All Machine Screws (1/2" x 12-24 FPHM).
- Installation: Constructed with a template screw hole pattern for precision alignment and rapid field replacement in standard commercial frames.
Why Choose the McKinney T4A3786?
The McKinney T4A3786 is the definitive professional choice for projects requiring a "no-fail" hardware solution. Whether you are performing a solution for door surface repair or outfitting a new commercial office complex, its combination of heavy-weight steel and self-lubricating bearings ensures your openings remain safe and functional for decades.
| General - US Finishes | US26D - Satin Chrome or US10B - Oil Rubbed Bronze |
| Brand | McKinney |
| Hinge Height | 5.0" Hi |
| Hinge Width | 4.5" Wi |
| Hinge Grade/Thickness | Heavy Wt .180 to .190 |
| Hinge Type | Full Mortise |
| Hinge Options | Ball Bearing |
| Base Material | Steel |
| Hinge Corners | Square |
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