McKinney T4A3786 4-1/2 x 4-1/2 Full Mortise Heavy Weight 5 Knuckle Bearing Hinge, Oil Impregnated Bearing, Square Corner, OptiCoat Sublimation Finish

The T4A3786 (steel) heavyweight five-knuckle full mortise hinges are recommended for use on high frequency and/or heavy wood or metal doors in public buildings where there is heavy traffic.

Amplifying Architectural Finishes with McKinney's OptiCoat Finishes

McKinney OptiCoat finishes bring the high-end look of natural wood or marble to commercial door hinges. They offer refined style and lasting performance to any project where both aesthetics and strength matter.

OptiCoat™ sublimation finish technology is revolutionizing aesthetics by transforming ordinary metals into stunning, high-end finishes that mimic the natural beauty of wood or marble. Through an advanced sublimation process, OptiCoat infuses realistic textures and patterns into metal surfaces, creating finishes that are not only visually striking but also incredibly durable.

Imagine the elegance of marble or the warmth of wood, now achievable on metal with a flawless, long-lasting application. OptiCoat opens up a world of design possibilities, delivering a perfect blend of style, resilience, and versatility that truly transforms the way we see finishes. 

Optional: Non-Removable Pin also known as security hinges are used with outswinging doors with locking hardware. Typically found on exterior doors that swing outward. A set screw in the barrel prevents the removal of the hinge pin.

  • TA: Oil impregnated bearing hinge
  • 12 wood like finishes and 1 marble finish offered
  • Dependable and long-lasting
  • Heavy-weight hinges should be used on all extra heavy doors or those exposed to high-frequency use
  • Packed with wood and metal screws
  • Optional: NRP (Non-Removable Pin) - Set Screw in Barrel (security feature for outswing doors)
  • Suites with multiple ASSA ABLOY brands
  • Not highly flammable like wood (steel base - maintains fire-rating)
  • UL listed, NFPA 80 Compliant
  • Finish warranty: 2 years

OptiCoat hinges are made to order and are non-returnable.

Brand

Finishes

ACS - Auburn Cherry OptiCoat, AOS - Amber Oak OptiCoat, BCS - Burnt Sienna Cherry OptiCoat, BOS - Blonde Oak OptiCoat, CPS - Casselman Pine Opticoat, EWS - Espresso Walnut OptiCoat, MCS - Maple Cherry OptiCoat, SCS - Sunrise Cherry OptiCoat, SOS - Scarlett Oak OptiCoat, SPS - Somerset Pine OptiCoat, TOS - Tangerine Oak OptiCoat, TWS - Toasted Walnut OptiCoat, WMS - White Marble OptiCoat

Size

4.5" x 4.5"

Hinge Type

Full Mortise

Knuckles

Five

Bearings

Oil Impregnated Bearing

Gauge

0 .180

Usage

Heavy Duty

ANSI/BHMA Standard

Meets ANSI/BHMA A156 .1

Fire-Rating

Certified to meet UL standards (3hr)

Fasteners

Packed with wood and metal screws

Warranty

2 Year Finish Warranty

T4A3786 - 4.5" x 4.5" OptiCoat Heavy Weight Bearing Hinge
McKinney T4A3786 - 4.5" x 4.5" OptiCoat Heavy Weight Bearing Hinge