Hidden Door Hinge,570Lbs Load-Bearing,Heavy Duty 360&180Swing Pivot Hinge

570 LBS HEAVY-DUTY LOAD CAPACITY Engineered from thickened solid alloy steel with a premium forging process, this hidden door hinge supports up to 570 lbs (260 kg) without deformation. Perfect for heavy secret doors, large bookcase doors, Invisible door systems, and solid wood shelving the robust structure ensures your hidden room or bookshelf entrance stays stable and secure for years, even with daily use in home libraries or home offices. | WHISPER-QUIET BEARING DESIGN Say goodbye to squeaky, sticky doors. Our precisely engineered base bearing device delivers ultra-smooth, friction-free operation even under heavy pressure. Whether its a secret bookcase door in a study, a Invisible door in a guest room, or a swinging shelf door in a pantry, the silent movement enhances the premium feel no disruptive noises, just effortless access to your hidden storage. | FLEXIBLE 360 & 180 ROTATION Mount on the central axis for full 360 rotation or on the side for 180 inward/outward swing (if frame allows). This adaptability suits room dividers, custom pivot doors, concealed cabinets, and secret passageways giving you the freedom to create the exact hidden room or storage access you envision, whether in a home theater, wine cellar, or private office. | SEAMLESS CONCEALED APPEARANCE The upper and lower hinge assembly is designed to keep the door perfectly aligned, preventing sagging and shifting. When closed, the hardware stays completely invisible ideal for bookshelf doors, panel doors, and feature walls where aesthetics are paramount. Create a flush, clean look for your hidden bookcase, secret shelf, or Invisible door without visible hinges or bulky brackets. | WIDE COMPATIBILITY & INSTALLATION TIPS Compatible with doors 1.6 to 10 thick covering most standard and custom sizes. The hinge plate width is optimized for easy mounting. Note: For doors thicker than 10 inches, professional installation is recommended to ensure proper mortising and optimal performance. Perfect for wooden doors, aluminum frame doors, and custom concealed entries of all types. | COMPLETE KIT WITH ALL ACCESSORIES The ready-to-install package includes: 1 upper hinge, 1 lower hinge, 32 mounting screws, 2 correctly sized boring drill bits, 1 double-end screwdriver, and 1 door catch everything you need for a hassle-free DIY hidden door project. Whether you're a DIY enthusiast or a professional installer, this comprehensive set simplifies the installation while delivering commercial-grade reliability.