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518 Series Invisible Hinge

Finish:

The SOSS Invisible Hinge Series 518 is the only one of our invisible hinges designed to wrap around applied molding and trim. Opening to 92° and requiring a minimum material thickness of 1-3/4″, this hinge combines innovative design with exceptional strength.

Solid alloy steel links provide outstanding durability and long-lasting performance, while the unique design opens the door to virtually limitless possibilities.

Explore the benefits and available options below.

SOSS Finish Options

Each hinge model is available in a variety of finishes, including 316 stainless steel options for enhanced durability and corrosion resistance. View the available finishes for each model on its product page. Don’t see the finish you need? Contact us to explore additional options.

An Engineering Marvel—See How Our Hinges Move

Curious how SOSS hinges work? Explore this interactive model to see our hinge in motion and view it from every angle with a full 360° perspective. Press play, then click and drag to rotate the image and experience the precision and beauty of our invisible hinges.

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Hiding in Plain Sight

For more than 100 years, SOSS Invisible Hinges have helped create seamless, concealed spaces that protect what matters most. Design a hidden safe door, conceal your TV behind artwork, or disguise an unsightly access panel—the possibilities are nearly endless.

Wherever you use SOSS Invisible Hinges, the result is the same: a beautifully concealed solution that’s not so easy to find.