The original invisible hinge was first designed and produced in 1903 by Joseph Soss. With over 119 years in continuous production and improvements our hinges are the chosen solution for most fine hotels, homes and offices around the world.

You can find our hinges in many iconic properties around the world including Fallingwater, The Whitehouse, Buckingham Palace, MGM Grand, The Henry Ford Home, and many others. Some of these iconic have the original hinges installed over 100 years ago still working. Most of our competitors can’t claim a record like that.

Over the years we have not only improved our many products, but we have also designed and created many new innovative hinges, including our most recent 500 series hinges that allow you to create a truly secret door or cabinet. It is the only hinge on the market like it.

SOSS hinges will continue innovating new innovative door hardware for the next 100 years and beyond. Check our full product line at www.soss.com

SOSS 218 Invisible Hinge

SOSS is the industry leader in concealed hinges. Our first hinge was made in 1903 by Joseph Soss. We have been creating and building innovative door hardware for 120+ years! The SOSS 218 is the standard workhorse invisible hinge on the market. This is our best-selling invisible hinge and will work for most standard doors.

The model #218 is for use in wood or metal applications that are 1-3/4″ to 2″ thick. The model #218 is made of zinc and steel materials. Nylon links add strength and durability. SOSS® Invisible Hinges open a full 180° and are a single action hinge. Learn More…

SOSS Hercules Hinge

When you have a large heavy door, but you still want the beautiful look of SOSS Invisible hinges, now you can have both! Introducing the SOSS Hercules Invisible Hinge. This hinge was designed to hold large heavy doors, use less hinges, and provide the clean lines of an invisible hinge.

SOSS® Invisible Hercules Hinges are ideal for doors of extreme weight or size. The model #218H is for use in wood or metal applications that are 1-3/4″ to 2” thick. The model #218H is made of alloy steel materials. Solid alloy steel links provide exceptional strength and durability for your bulkiest of doors. Learn More…

SOSS Wrap Around Hinge

To create a completely secret door or cabinet you need to hide both the hinge and the reveal line, which is the space between the jam and door. Until now this was impossible. SOSS has created the first and only wrap-around hinge! Our hinge will wrap out and around trim or molding without binding. Both the hinge and the reveal line are completely hidden. The hinge comes in both door and cabinet hinge sizes.

The SOSS Invisible Hinge model #518 is a revolutionary design that allows it to wrap around molding and trim to create a completely hidden door with no reveal. It is designed for use in wood or metal applications that are a minimum of 1-3/4” thick. The model #518 is made out of alloy steel. It is the only hinge in the SOSS Invisible Hinge product line that stops at 92 degrees. Add molding and trim to your doors and wall for a unique and seamless look. Learn More…

SOSS Power Transfer Hinge

The ability to send power through an Invisible hinge opens up a lot of design possibilities that don’t exist with other hinges. Our power transfer hinges come in most of our popular model sizes. If you are installing an electronic smart lock or card reader you may need to supply power, but don’t want to give up the concealed hinge. When you need both invisible and power transfer look to the innovative hinges at SOSS!

The SOSS Power Transfer Hinge gives you the ability to send power through our hinges. SOSS® Invisible Hinge model #218PT is for use in wood or metal applications that are 1-3/4″ thick. The model #218PT is made of zinc and steel materials. Nylon links provide added strength and durability. SOSS® Invisible Hinges open a full 180° and are a single action hinge. Learn More…

SOSS UltraLatch

The SOSS® UltraLatch® is a totally new concept in door entry hardware. Designed to be the most convenient, practical and aesthetically pleasing door latch you have ever used Unlike bulky commercial push-pull latches, the UltraLatch® is designed to blend in beautifully in home and office settings. The UltraLatch® retrofits to most existing door cutouts. Designed to conform to the shape of the hand, UltraLatch® is ideal for disabled users. convenient for anyone. A mere half inch of latch movement easily opens any door. Learn More…