2 Pack Hidden Door Hinges 7 Inch Heavy Duty 180 Degree Swing 3D Concealed Cross Hinge Zinc Alloy Sleek Invisible for Seamless Cabinet Doors or Hidden Bookcase Doors Silver 88 Lb Load Bearing
✔️ 2-pack, 7" hinges, 88 lb load, 3D adjustable, zinc alloy
These hidden door hinges are designed to mount inside the door frame, creating a flush, invisible profile when the door is closed. Ideal for secret doors, hidden bookcases, and sleek cabinetry where you want the hardware to disappear.
✅ 88 lb load bearing
✅ Material: rust-resistant zinc alloy
✅ Fully concealed 3D cross hinge with hidden screws
✅ 3D adjustment range: up/down ±3.0 mm, left/right ±2.0 mm, before/after ±1.0 mm
✅ Silent roller track for smooth opening and safe operation
✅ Includes installation manual and 3D tuning tool; DIY setup required
💡 What is a concealed door hinge used for? Hidden hinges let you mount doors flush and invisible for a clean look and added security. - Handy for secret doors and hidden bookcases - Keeps fronts flush and clutter-free - Supports doors up to 88 lbs with a robust zinc alloy cross hinge - Designed for door thickness > 35 mm and width < 850 mm