McKinney T4A3386-5x4-1/2-US32D Full Mortise Heavy Weight Five Knuckle Hinge, Satin Stainless Steel Finish

The McKinney T4A3386 is a full mortise, heavy weight five knuckle hinge built for high-frequency, high-traffic openings where durability matters most. Measuring 5 inches in height by 4-1/2 inches in width and finished in Satin Stainless Steel (US32D), this hinge features concealed ball bearings that carry heavier doors smoothly while reducing wear over years of use. The stainless steel construction resists corrosion, making it a dependable choice for interior and demanding commercial applications. With standard template hole patterns and non-removable pin options available, the T4A3386 delivers reliable performance and consistent alignment for institutional, healthcare, and commercial doors.

Features

• Full mortise design for standard commercial door and frame preparation.
• Heavy weight construction supports high-frequency, high-traffic openings.
• Five knuckle configuration provides balanced load distribution and smooth operation.
• Concealed ball bearings reduce friction and extend service life.
• Satin Stainless Steel (US32D) finish resists corrosion and wear.
• Measures 5 inches high by 4-1/2 inches wide for wider door applications.

Functional Details

The concealed ball bearings within the knuckles carry the weight of heavier doors, allowing smooth, quiet swing while minimizing friction between moving parts. This design keeps the door aligned and functioning reliably even under continuous daily use.