5 Inch Hidden Door Hinge 304 Stainless Steel Heavy Duty Invisible Hinge for Secret Doors, Silent and Smooth Operation, 3mm Thick, Left or Right Hand, Durable 1 Piece

2-Pack 5-Inch Hidden Door Hinges in 304 Stainless Steel
✔️ Heavy-duty concealed hinge, 120° swing, 3mm thick, left/right

This 5-inch hidden door hinge is built from 304 stainless steel, delivering strength and durability for concealed door installations. It hides entirely within the door and frame, providing a clean, invisible look in secret-entry projects.

✅ 5 inch concealed hinge, 304 stainless steel, black finish
✅ Shallow groove: 5×1.4×0.12 in (128×36×3 mm)
✅ Deep groove: 2.83×1.26×1 in (26×32×72 mm)
✅ Door opening angle 120°, suitable for door thickness 40-50 mm
✅ Load bearing 110 lb; package includes 2 hinges, screws, manual
✅ Laser-welded design with built-in gaskets and sealed bearings for silent operation

💡 What is a hidden door hinge used for in concealed installations? This handy hardware keeps doors flush and invisible, ideal for secret panels and hidden rooms. - Concealed mounting keeps hardware invisible for clean aesthetics - Ensures smooth, silent operation with sealed bearings and gaskets - Compatible with left- and right-handed doors for flexible installs - Great for DIY secret-door projects and hidden compartments