Three Dimensional Invisible Door Hinges For Wooden Doors And Aluminum Frame Doors Hidden Folding Doors 180 Degree Inside And Outside Open Black Finish Zinc Alloy Die Cast And 304 Stainless Steel Construction

Hidden 180 Degree Door Hinges for Wood and Aluminum Frames
✔️ Zinc alloy die-cast body with 304 stainless, 180 degree opening 1 hinge

These invisible hinges mount inside the door edge and frame, delivering a clean, concealed look. They work on wooden doors and aluminum frame doors, including folding doors, and are ideal for interior spaces like bedrooms, kitchens, living rooms, offices, hotels, and shops.

✅ Material: zinc alloy die cast main body; connecting member: 304 stainless steel.
✅ Opening: 180 degrees, interior and exterior swing.
✅ Finish: black or silver; hinges remain hidden when closed.
✅ Bearing strength: 35 kg (two pieces).
✅ Pack contents: 1 hidden hinge, 4 screws, 1 screwdriver.

💡 What is a hidden door hinge used for in interior doors and how to install invisible hinges on wood or aluminum frames? This handy guide covers common questions about setup and use.
- hidden hinge installation steps for wooden doors and aluminum frames
- aligning hinge seats and achieving a precise 1 mm gap
- material benefits: zinc alloy die cast and 304 stainless steel
- typical applications in bedrooms, kitchens, offices, folding doors