McKinney MPB99-5x4-1/2-US32D Full Mortise MacPro Heavy Weight Ball Bearing Hinge, Five Knuckle, 5" x 4-1/2", Square Corner, 630 Satin Stainless Steel Finish

The McKinney MPB99-5x4-1/2-US32D is a full mortise heavy weight ball bearing hinge built for demanding high-frequency and high-traffic openings. Part of McKinney's MacPro line, it features a five knuckle design with concealed ball bearings that deliver smooth, dependable swing over years of use. Measuring 5" x 4-1/2" with square corners, this hinge is constructed from durable stainless steel and finished in 630 satin stainless steel (US32D) for strong corrosion resistance and a clean, professional appearance. It's an ideal choice for commercial doors requiring reliable performance and long service life in schools, hospitals, and other institutional settings.

Features

• Heavy weight construction suited for high-frequency and high-traffic commercial openings.
• Five knuckle design provides stable, balanced door operation.
• Concealed ball bearings ensure smooth, quiet, long-lasting swing.
• 5" x 4-1/2" size with square corners fits standard heavy-duty applications.
• Stainless steel body with a 630 (US32D) satin stainless steel finish for corrosion resistance.
• Full mortise mounting for a secure, flush installation.