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McKinney T4A3786 Heavy Weight Hinge | 5" x 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 robust .190 gauge thickness, this 5-knuckle, full mortise hinge is the ultimate solution for door restoration on extra-heavy wood or metal doors. Its specialized Oil Impregnated Bearings provide a maintenance-free, self-lubricating operation that excels in public buildings, hospitals, and high-frequency commercial spaces where reliability is non-negotiable.
Advanced Oil Impregnated Bearings (TA Prefix)
The TA Prefix identifies McKinney’s premium self-lubricating bearing system. These one-piece, non-ferrous bearings are designed for environments where maintenance needs to be minimal.
- Superior Longevity: Drastically reduces wear and friction for a smoother, longer-lasting door swing under extreme loads.
- Environmental Resilience: Engineered to resist clogging and corrosion, preventing common hinge failures in high-abuse or dusty environments.
- Maintenance-Free Life: Acts as a permanent solution for door edge reinforcement, significantly reducing long-term lifecycle costs in busy public facilities.
Maximum Security with NRP (Non-Removable Pin)
For high-security requirements, this hinge is available with an NRP (Non-Removable Pin) option.
- Tamper Resistance: A hidden set screw is driven into the hinge barrel, making the pin inaccessible and non-removable when the door is closed.
- Essential for Outward Swinging Doors: Provides a vital solution for commercial door security on exterior-facing doors where the hinge barrel is exposed.
- Peace of Mind: Safeguards against forced entry through hinge manipulation, ensuring the safety of schools and office complexes.
Technical Details & Specifications
- Brand: McKinney (ASSA ABLOY)
- Model: T4A3786
- Dimensions: 5" Height x 5" Width (Heavy Weight .190 Gauge)
- Base Material: High-strength plated steel.
- ANSI/BHMA A156.1 Compliant: Corresponds to industry-standard ANSI A8111, meeting the highest benchmarks for quality and safety.
- Fire Rating: Certified to meet UL standards for up to 3 hours, providing essential fire safety compliance.
- 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 (8 holes) for precision alignment and rapid 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 high-occupancy facility, its combination of heavy-weight steel and self-lubricating bearings ensures your openings remain stable and functional for decades.
| General - US Finishes | US26D - Satin Chrome or US10B - Oil Rubbed Bronze |
| Brand | McKinney |
| Hinge Height | 5.0" Hi |
| Hinge Width | 5.0" 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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