Invisible Door Hinge Model 216 For Doors One And Three Eighths To One And Three Quarters Inches Thick, 20 Minute Fire Rated, Fully Concealed From Both Sides When Closed, Zinc Satin Brass Exterior Finish, Model 216US4 By SOSS

Invisible Door Hinge 216 for 1-3/8 to 1-3/4 in doors, 20 min fire
✔️ Fully concealed on both sides; no pinch points; fits 1-3/8 to 1-3/4 in doors

This model is an invisible hinge designed for flush-mounted doors and panels, delivering a clean, seamless look by staying hidden when closed. It works with wood or metal doors and is a staple in premium residential and commercial installations.

✅ Fits door thickness 1-3/8 to 1-3/4 in (34.9-44.5 mm)
✅ Fully concealed from both sides when closed
✅ Opens a full 180 degrees for easy access
✅ Non-removable riveted steel hinge pin
✅ Nylon hinge links provide smooth operation
✅ Satin brass exterior finish
✅ Wood screw size #14 x 1-1/2"
✅ Soft wood pilot hole No. 30; hard wood pilot hole No. 10
✅ Machine screw size #1/4-20 x 1"
✅ For wood or metal doors
✅ Fire rating: 20 minute

💡 What is an invisible door hinge used for in flush installations? This handy hinge helps create a clean, seamless surface by remaining concealed when the door is closed, perfect for premium interiors and tight frameless looks.

• Ideal for flush mount doors in residential and commercial settings
• Concealed operation reduces visible hardware and snag risk
• Supports door thickness from 1-3/8 to 1-3/4 in with a full 180 degree swing