
Invisible Hidden Hinges Shaft Heavy Duty Self Closing Swing Door Pivot Concealed Hinge Stainless Steel. Heavy Duty Capacity: Supports up to 80kg per 2 pieces with robust stainless steel construction. Self-Closing Mechanism: Features integrated spring hinge for automatic self-closing functionality. Adjustable Door Thickness: Accommodates door thicknesses above 32mm with hidden spring adjustment. Premium Material: Constructed from durable stainless steel with nickel plated finish. Comprehensive Warranty: Includes 2-year warranty coverage for mechanical defects. OEM/ODM Services: Offers full customization, minor customization, and sample-based design options. Anti-Droop Design: High-precision manufacturing prevents common drooping issues found in low-end products.