Hidden Door Hinge with Dual Bearing, Rotating Silent Design - Invisible Door Hinge Kit for Heavy Duty Secret & Bookcase Doors, Perfect for DIY Carpenters 580lbs Load-Bearing

Hidden Door Hinges for Secret Door: Upgrade your woodworking projects with our premium pivot hinge. Designed for seamless integration into Invisible door bookcase and bookshelf door setups, these heavy-duty hinges ensure smooth, quiet operation when rotated, Ideal for DIY enthusiasts seeking durable hidden door bookcase | Dual Bearing Design (Top & Bottom): Enables 360 silent rotation hidden door hinges for ensuring smooth and quiet operation without disturbing your space; This durable hidden door mechanism guarantees long-lasting performance, making it ideal for bookshelf door, and French-style Invisible door storage solutions | Heavy-duty Metal Construction: These hidden hinges for doors boast a high-load design, with each hinge supporting capacities up to 580 lbs. Finished with a sleek black double anti-rust coating, they offer fine workmanship and provide durable support for Invisible door hardware, secret door, French doors, or cabinet doors | Easy-to-install hidden bookshelf door kit: We Hidden bookcase door provide extremely detailed instructions. Each step has dedicated video instruction. The Invisible door hardware kit includes a cut-out paper template for accurate positioning and seamless setup. The concealed pivot is adjustable and mounts on either the door's center axis or side | Invisible door kit includes: 1 set heavy-duty bookcase hinges (top/bottom Dual Bearing pivot door hinge), 30 screws with invisible insertion; 1 ball catch hardware + 4 screws; 1 screwdriver; 1 12mm woodworking drill bit; 1 paper template for slot cutting; allowing easy furniture/bookshelves/secret door bookcase arrangement