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Concealed

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Your Custom Hardware Supplier & Manufacturer

Sierra Pacific Engineering and Products is proud to be one of the leading industrial hardware suppliers in the nation, supplying high-quality products and custom hardware services to a diverse customer base, including OEMs and distributors. We take great pride in our brand, and our commitment to quality assurance and customer satisfaction is evident in every part of our manufacturing process.

For industrial applications such as electronic enclosures, SPEP is proud to offer a selection of heavy duty concealed hinges.

Concealed Hinges From SPEP

Concealed hinges are mounted on the back of the door and frame, making them invisible when the door is closed. Depending on the style, concealed hinges are designed to fit around the curved edge or bend of metal doors.

Our take-apart concealed hinges are designed with a spring-loaded bolt and are pre-drilled. This style of hinge allows for easy removal of the door panel for better access to the interior space.

We also offer two-part concealed panel hinges which consist of curved pivots and brackets and are held together with a stainless steel pin. Both pieces have flat plates that can be welded to a metallic door or frame. By removing the pin, these two parts can be separated in order to remove the door while keeping the hardware in place.

Design Your Own Custom Concealed Hinges

If you are unable to find a SPEP concealed hinge that will work with your OEM product, our team of experienced engineers will work with you to modify an existing design or create a new custom product. Our heavy-duty concealed hinges are made with a variety of materials, including aluminum, stainless steel and cold-rolled steel, and are available in zinc-plated, passivated, or electropolished finishes.

Contact Your Custom Hardware Supplier!

At SPEP, we take great pride in the quality of our industrial products. In 2001, we earned the ISO 9001 quality certification, and we rely on and abide by Oracle’s Quality Module for automation and quality assurance. Our warehouses and shop floor systems ensure that all customer orders we receive are quickly updated across the system, enabling easy tracking and excellent turnaround.

As a 100% employee-owned company, every SPEP employee is committed to complete customer satisfaction. For more information about our continuous hinges and other heavy-duty industrial hardware, or if you’d like to discuss questions related to custom product design & manufacturing, we encourage you to contact us today. We look forward to serving you!




Sierra Pacific Engineering is proud to produce a wide variety of industrial hardware including custom pieces developed via rapid prototyping and 3D printing. Many of our products are used in the following industries however serve purposes far and wide.

Bus Parts & Hardware Experts | Sierra Pacific Engineering | Industrial Crating Hardware & Parts by Sierra Pacific | Electronic Enclosure NEMA/JIC Parts & Hardware | HVAC Supply & Hardware by Sierra Pacific Engineering | Boat and Marine Hardware Supply | RV | Home Improvement | Spray Booth | Custom Service Truck Body Parts & Supplies | Custom Trailer Hardware, Parts & Supplies