Don-Jo HWBB94545 Heavy Weight Full Mortise Ball Bearing Hinge 4-1/2" x 4-1/2" in Satin Stainless Steel

Don-Jo HWBB94545 Heavy Weight Full Mortise Ball Bearing Hinge 4-1/2" x 4-1/2" in Satin Stainless Steel

The Don-Jo HWBB94545 is a heavy weight, full mortise ball bearing hinge engineered for demanding commercial door applications. Measuring 4-1/2" x 4-1/2" and constructed from stainless steel with a satin stainless (630) finish, this hinge is purpose-built for heavy doors requiring high-frequency performance. Featuring a 5-knuckle design, square corners, and a 0.18 gauge stainless steel body, it delivers the structural integrity and smooth operation required in professional commercial environments. All heavy duty hinges include non-removable pins (NRP) as standard, providing an added layer of security against hinge tampering.

Key Features

• Heavy Weight Construction: Designed specifically for heavy doors, providing the load capacity and structural support required in high-demand commercial applications.
• 4-1/2" x 4-1/2" Dimensions: Full mortise hinge sized at 4.5" x 4.5" for compatibility with standard commercial door preparations requiring heavy-duty hardware.
• Stainless Steel Material: 0.18 gauge stainless steel construction delivers exceptional corrosion resistance and long-term durability in commercial environments.
• Satin Stainless Finish (630): Factory-applied 630 satin stainless finish provides a professional aesthetic while resisting tarnish and wear.
• Ball Bearing Design: Precision ball bearing mechanism ensures smooth, consistent operation and reduced friction for high-frequency door use.
• High Frequency Rated: Engineered to withstand high-frequency operation, making it ideal for busy commercial entryways and corridors.
• Non-Removable Pin (NRP) Standard: All heavy duty hinges include non-removable pins as standard, enhancing door security by preventing pin extraction from the exterior.
• 5-Knuckle Configuration with Square Corners: Five-knuckle design with square corners provides a classic commercial appearance and maximizes bearing surface for superior load distribution.

Certifications & Compliance

• ANSI A5111 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 HWBB94545?

Don-Jo HWBB94545 heavy weight hinges are built to perform in the most demanding commercial door applications, combining 0.18 gauge stainless steel construction with a precision ball bearing mechanism rated for high-frequency use. The inclusion of non-removable pins (NRP) as standard and ANSI A5111 compliance underscore Don-Jo's commitment to security and professional-grade reliability. For facilities that require dependable, long-lasting door hardware on heavy doors, the HWBB94545 delivers the performance and peace of mind that commercial projects demand.