Custom Modern Aluminum Adjustable Continuous Geared Fire-Rated Heavy-Duty 300KG Load Capacity 180 Degree Opening 2.8mm Hinge

The full-length geared structure distributes weight evenly along the entire door edge, avoiding concentrated stress found on traditional single-point hinges. Suitable for heavy doors up to 300KG.
180° Smooth Opening & Precise Positioning
Built-in continuous gear assembly enables stable 180-degree opening. The geared locking design holds the door at any opening angle without drifting or sagging.
Long Service Life & Low Maintenance
Precision CNC machined aluminum alloy body, wear-resistant gear components. No frequent lubrication required, resistant to long-term frequent opening and closing.
Anti-Sag & Anti-Twist Performance
Eliminates common door sagging, deformation and twisting issues that plague conventional hinges. Perfect for tall, oversized, heavy solid doors.
Customizable Length & Easy Installation
Available in customizable lengths to match door height. Pre-drilled mounting holes, simple screw-on installation; supports on-site CNC secondary processing.
Corrosion Resistant Aluminum Structure
Anodized aluminum profile housing, anti-rust, weather-proof. Works for interior doors, fire doors, medical doors, commercial project doors.
Silent Operation
Tightly fitted gear structure reduces friction noise, achieving quiet opening and closing for hotels, hospitals, office buildings.