Don-Jo HWBB84545 Heavy Weight Full Mortise Ball Bearing Hinge 4-1/2" x 4-1/2" in Satin Chrome

Don-Jo HWBB84545 Heavy Weight Full Mortise Ball Bearing Hinge 4-1/2" x 4-1/2" in Satin Chrome

The Don-Jo HWBB84545 is a heavy weight, full mortise ball bearing hinge engineered for demanding commercial door applications. Measuring 4-1/2" x 4-1/2" with a 0.18 gauge brass construction and a 626 Satin Chrome finish, this hinge is purpose-built for heavy doors requiring high-frequency performance. Featuring 5 knuckles, square corners, and non-removable pins (NRP) as standard, it delivers the security and durability that commercial installations demand. ANSI A2111 compliant, it meets the rigorous standards expected in professional door hardware applications.

Key Features

• Heavy Weight Construction: Specifically designed for heavy doors, providing the structural integrity required in high-traffic commercial environments.
• Precision Dimensions: 4-1/2" x 4-1/2" size ensures proper fit and load distribution for full mortise door installations.
• Ball Bearing Design: Smooth, high-frequency ball bearing operation reduces friction and wear for long-term reliable performance.
• Brass Material with 0.18 Gauge: Solid brass construction at 0.18 gauge delivers exceptional strength and corrosion resistance in a commercial-grade hinge.
• Non-Removable Pin (NRP) Standard: All heavy duty hinges include non-removable pins as standard, enhancing door security by preventing pin removal from the exterior.
• 5-Knuckle Configuration: Five-knuckle design provides superior load-bearing capacity and smooth, stable door operation.
• Square Corner Style: Square corner profile ensures compatibility with standard full mortise door and frame preparations.
• 626 Satin Chrome Finish: Durable Satin Chrome finish offers a professional aesthetic while resisting tarnish and everyday wear.

Certifications & Compliance

• ANSI A2111 Compliant
• Commercial Grade

Technical Specifications

• Product Group: Door Hinges and Pivots
• Product Subgroup: Full Mortise Hinges
• Commercial/Residential: Commercial
• Bearing Type: Ball Bearing
• Corner Style: Square corners
• Knuckles: 5
• Product Size: 4.5" x 4.5"
• Product Category: Door Hinges and Pivots
• Department: Door Hardware

Typical Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Don-Jo HWBB84545?

Don-Jo HWBB84545 hinges are built to perform in the most demanding commercial environments, combining 0.18 gauge brass construction with a high-frequency ball bearing mechanism and non-removable pin security as standard. ANSI A2111 compliant and rated for heavy doors, this full mortise hinge delivers the professional-grade reliability that contractors and facility managers depend on for long-term, trouble-free door operation.