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Commercial Hinges
High-quality commercial hinges, from ball bearing and concealed bearing, to spring and continuous styles. Electrified hinges that pass a constant flow of current between a power source and the actuated device in the door. We offer hinges that fit your specific door, frame and wall application, including wood and metal doors, medium to heavy weight doors and medium to high frequency usage openings.
Frequently Asked Questions
What is a commercial hinge?
A commercial hinge is a heavy-duty hinge engineered for high-traffic openings, built to ANSI/BHMA standards for strength and durability. At National Lock Supply, we supply commercial-grade butt, continuous, and pivot hinges for schools, hospitals, offices, and retail facilities.
How do they differ from residential hinges?
Commercial hinges are thicker, larger, and cycle-tested for millions of openings, while residential hinges are lighter-duty and not designed for continuous heavy use.
What materials are used?
Most commercial hinges are made from steel and stainless steel for maximum strength, while brass or bronze is used for decorative architectural doors.
What sizes are standard?
The most common commercial hinge sizes are 4.5″ x 4.5″ and 5″ x 4.5″, designed to fit standard hollow metal and wood doors.
Are commercial hinges fire-rated?
Yes. Many are UL-listed for use on fire door assemblies, making them code-compliant in life safety applications.
What finishes are available?
Satin Chrome, Bright Brass, Oil-Rubbed Bronze, Matte Black, and Stainless Steel, to coordinate with door hardware.
Where are commercial hinges used?
They are standard in schools, healthcare facilities, offices, multifamily housing, and retail buildings, especially on heavy, frequently used doors.
What is a heavy-duty hinge?
A heavy-duty hinge is an ANSI/BHMA Grade 1 hinge, tested for millions of cycles, suitable for high-use and oversized doors.
Are ball-bearing hinges available?
Yes. Ball-bearing hinges reduce friction and wear, providing smoother, quieter operation on steel or solid-core doors.
Why buy commercial hinges from National Lock Supply?
We carry a wide selection of Grade 1 commercial hinges in multiple sizes and finishes, with expert support to ensure durability, proper sizing, and code compliance.