{
  "id": "soss-218-invisible-hinge",
  "url": "https://furniture-components.com/products/soss-218-invisible-hinge",
  "name": "Model 218 Invisible Hinge",
  "manufacturer": "soss",
  "category": "hinges",
  "summary": "Concealed hinge for 1-3/4\" to 2\" thick wood or metal doors with 20-minute fire rating",
  "description": "SOSS® Invisible Hinge 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. This full size door style hinge will provide superior appearance and durability. Our Hinges are found in many applications where flush fit, compact size and smooth operation are necessary features. SOSS® Invisible Hinges open a full 180° and are a single action hinge. Now with a 20 Minute UL Fire rating, this hinge can be used on hollow metal, sheet metal, tin clad, steel composite or wood core swinging type fire doors and frames with a 20 minute rating.",
  "params": {
    "min_material_thickness": "1-3/4\"",
    "max_material_thickness": "2\"",
    "fire_rating": "20 minutes",
    "power_transfer": "No",
    "closer": "No",
    "material": "zinc, steel",
    "opening_angle_deg": 180,
    "hinge_type": "single action",
    "screws_included": "wood and machine"
  },
  "compatibility": [],
  "resources": [],
  "sources": [
    {
      "url": "https://www.soss.com/product/model-218-invisible-hinge/",
      "last_verified_at": "2026-06-23"
    }
  ],
  "updated": "2026-06-23"
}