Hidden Door Hinge,870Lbs Load-Bearing，Larger Thickened Solid Steel Structure - Heavy Duty 360° Swinging Pivot Hinge for Large Secret Doors, Bookcase, Murphy & Shelf Doors (Patent Pending)

⊪【Superior Load-Bearing & Robust Construction】This heavy-duty hidden door hinge boasts an impressive 870 lbs load capacity, supported by a larger, thickened solid steel structure and a reinforced solid alloy steel shaft. Its heavy alloy steel build ensures maximum stability, making it ideal for heavy secret doors, large bookcase doors, Murphy doors, and solid wood shelving systems that require reliable, long-lasting support.

⊪【360° Smooth Rotation & Flexible Installation】Featuring a patent-pending pivot hinge design, it enables smooth 360° rotation for full flexibility in door movement and positioning. Choose center-mount installation for full 360° swinging, or side-mount installation for nearly 180° inward or outward opening. Perfect for hidden passageways, secret bookshelves, room dividers, and custom pivot doors.

⊪【Unique bearing design】Precision and unique design of base bearing device makes the door move quietly, smoothly and flexibly.Ideal for concealed doors, invisible cabinets, and high-end interior projects where aesthetics and performance matter.

⊪【Discreet & Seamless Hidden Design】After installation, the gap can be completely concealed by the baffle design. this hinge creates a clean, invisible look for secret doors, hidden rooms, bookcase entrances, and covert storage solutions. Its low-profile yet strong build ensures smooth, quiet operation without compromising visual appeal—great for home libraries, offices, theater rooms, and creative space partitions.

⊪【Wide Compatibility & Professional-Grade Application】 With a maximum width of 2.36 inches (60mm) and compatibility with door thicknesses from 2.4 inches (60mm) to 12 inches (300mm), this hinge suits a variety of heavy-duty hidden door installations. Recommended for DIY enthusiasts and professional builders working on secret bookcase doors, Murphy door kits, pivot door systems, swinging shelf doors, and custom concealed entries.

⊪【Suggested installation dimensions】This hinge has a maximum width of 2.36 in (60 mm). For optimal installation results, it is recommended for use on doors with a thickness ranging from 2.4 in (60 mm) to 12 in (300 mm). If the door thickness falls outside this range, professional installation with special design adjustments is advised, as it may increase the complexity of the installation process.

【Complete Specifications & Ready-to-Install Kit】 Max Load: 870 lbs (395 kg) Door Thickness Range: 62mm – 300mm (2.4″ – 12″) Hinge Plate Width: 60mm (2.36″) Includes: Double-head screwdriver, woodworking drill bits (2 pcs), 30pcs screws, 4pcs door catches, and all mounting accessories. Note: If door thickness is outside the recommended range, professional installation with custom adjustment is advised.

Transform any ordinary door into a secret passage with this heavy-duty hidden door hinge system. Boasting an impressive 870-pound load-bearing capacity, these robust stainless steel hinges provide smooth 360-degree rotation for seamless operation. The bigger, thicker pivot design ensures stability and durability, making them perfect for creating hidden doorways, secret rooms, or concealed storage spaces. These hinges are ideal for custom projects like hidden door bookcases, allowing you to add an element of mystery and functionality to your space. The sophisticated engineering supports fluid movement while maintaining a completely concealed appearance when installed. Each hinge is crafted from solid stainless steel for lasting performance and reliability. Whether you're building a creative home feature or designing a unique storage solution, these hidden door hinges deliver both form and function.