218/418 Series Invisible Hinges
The SOSS Invisible Hinge 218/418 Series Invisible Hinges are for use with 1-3/4″ to 2″ thick material.
Look at the available options:
- 20 minute fire rated (model #218)
- 90/180 minute fire rated (model #418)
- Fire rated invisible closer hinges (20/90/180 minute)
- Hercules hinges for large or extra heavy doors
- Power Transfer (2.5 amps at 24VDC)
- Zinc, alloy steel and 316 stainless steel base material
These hinges are used in full size residential or commercial door applications. They can be used in solid or hollow core wood or metal doors.
This series of hinges is available in all the finish options offered by SOSS Door Hardware. Stainless steel finishes are also made of 316 stainless steel material. The 90/180 minute fire rated hinges are only available in unplated, satin nickel, black e-coat, satin chrome, and satin brass. Don’t see the finish you need?

Strong, Beautiful, Invisible
Want to learn more about how and where SOSS Invisible Hinges have been used throughout history?
Or maybe you need some continuing education credits?
Ever wonder how you can get power from your frame to your door without seeing the wires?
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Model 218PT1 Power Transfer Invisible Hinge
Select options This product has multiple variants. The options may be chosen on the product page