Description
McKinney® T4A3386 4.5″x4.5″ Heavy-Weight Bearing Hinge
The McKinney® T4A3386 4.5″x4.5″ Heavy-Weight Bearing Hinge provides superior strength and corrosion resistance for demanding, high-traffic environments. Made from stainless steel with a .180 heavy-weight gauge, this hinge supports heavy wood or metal doors in schools, hospitals, and other public buildings where durability is critical.
Because it features oil-impregnated bearings, the hinge reduces friction and delivers smooth, long-lasting performance. In addition, the five-knuckle full mortise design enhances stability and load support for extra-heavy doors. Furthermore, it meets ANSI/BHMA A156.1 standards, carries a UL 3-hour fire rating, and complies with NFPA 80 requirements. As a result, it ensures both strength and code compliance in heavy-duty commercial applications.
Key Features:
- Size: 4-1/2″ x 4-1/2″
- Material: Stainless Steel
- Weight: Heavy Weight (.180 gauge)
- Design: Full Mortise, 5-Knuckle
- Corner Type: Square
- Handing: Non-handed
- Bearing Type: Oil-Impregnated Bearing
- Template hole pattern for precise installation
- Meets ANSI/BHMA A156.1 Heavy Weight Standards
- ANSI Cross Reference: A5111, A2111
- UL Listed – 3 Hour Fire Rating
- NFPA 80 Compliant
- Packed with wood and metal screws
Benefits:
- Supports extra-heavy and high-frequency doors
- Resists corrosion with stainless steel construction
- Reduces wear through oil-impregnated bearing technology
- Ensures fire safety and code compliance
- Delivers dependable performance in heavy traffic areas
Applications:
The McKinney® T4A3386 is ideal for heavy wood or metal doors in schools, hospitals, government buildings, and commercial facilities. Whenever doors experience constant use or heavy loads, this stainless steel hinge provides reliable, heavy-duty performance.















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