SKMYL Heavy Duty Hidden Pivot Hinge for Bookshelf Doors, Center Mount 220 lbs (99.8 kg) Capacity | Invisible Rotation Hardware Kit

• Sturdy Stainless Steel Construction： This heavy duty hidden pivot hinge is crafted from premium stainless steel with electroplated coating. Passes 72-hour salt spray test – no rust, no corrosion. Unlike cheap hinges that bend under pressure, this stainless steel pivot hinge supports heavy solid wood doors and wide entry doors with stability. Built for daily use on secret entrances, and high-traffic hidden rooms
• Fully Invisible When Closed – 360° Rotation： Create a hidden door hinge that's invisible from both top and bottom ends when closed – no exposed pins. Supports 360° rotation (inward/outward). Perfect for bookcase door, bookshelf door, cabinet door, and secret room entries
• 300 lbs Capacity – Floor-Supported Design: This concealed door hinge features bottom arm and floor support, transferring weight directly to the floor – not the frame. Supports up to 300 lbs per door. Ideal for solid wood and heavy panel doors up to 2" thick
• DIY-Friendly Installation – Step-by-Step Guide Included: Stop worrying about complex installation. This pivot hinge hardware kit comes with illustrated instructions listing every step. No professional carpenter needed – just basic tools: drill, level, screwdriver, and chisel. Follow the guide, and you will easily install the pivot hinges in 1-2 hours
• Complete Kit for 1 Door – Everything You Need: Each hidden pivot hinges set includes: 1 set of pivot hinge (top + bottom assembly) with mounting screws, plus 1 piece door ball catch hardware. No extra trips to the hardware store

• Prepare Door and Frame — Mark the pivot point on the floor and the top of the door frame. Use a drill and chisel to create the necessary recesses for the bottom arm and top pivot assembly as per the included guide.
• Install Bottom Pivot and Ball Catch — Securely mount the bottom pivot arm to the floor using the provided screws. Install the door ball catch hardware on the top of the door and the corresponding strike plate on the frame.
• Mount Top Pivot and Hang Door — Attach the top pivot assembly to the top of the door. Carefully align and hang the door onto the bottom pivot arm, ensuring it engages correctly with the top pivot. Test the 360° rotation.
• Adjust and Secure — Check door alignment and smooth operation. Make any necessary adjustments to the pivot points or ball catch for optimal fit and secure closure. Ensure the door swings freely without binding.

Typical situations where SKMYL Heavy Duty Hidden Pivot Hinge for Bookshelf Doors helps — illustrative scenarios, not customer reviews.