Heavy Duty Sealed Bearing Gate Hinges One Piece Zinc Alloy Cross Hidden Hinge 8x42mm Invisible Hinge 180 Degree Folding Door Gold Finish Quiet Smooth Opening For Left Or Right Doors

Heavy-Duty Hidden Hinge with 180° Opening, Zinc Alloy
✔️ Smooth 180° swing, one-piece zinc alloy hinge, 43.5mm, quiet

This heavy-duty sealed bearing hidden hinge is a one-piece zinc alloy hinge designed for frequent-use doors. It supports both left- and right-swing doors, delivering a clean, elegant appearance even under heavy traffic.

✅ Size: 43.5mm
✅ Weight: about 45g
✅ Thickness: 35.5mm
✅ Model: MIX-370
✅ Material: zinc alloy
✅ Color: silver / gold
✅ Type: Door Hinges
✅ Opening: 180-degree
✅ Hidden design for clean look
✅ Roller slide rail for quiet operation
✅ Suitable for commercial and home use

💡 What is a heavy-duty hidden door hinge used for in commercial and home settings?

It provides a concealed, strong mounting solution for high-traffic doors, keeping hardware out of sight and reducing squeaks and wear.

- clean concealed look for doors in offices, kitchens, and warehouses
- 180-degree opening and secure positioning
- zinc alloy body with stainless steel joints for longevity