Heavy Duty Aluminium Bi-Fold Middle Hinge with Bottom Roller for Folding Door

Premium Aluminum Build: Forged from high-grade aluminum alloy, delivering exceptional structural strength and natural corrosion resistance.

Dual-Function Roller Hinge: Multi-action engineering seamlessly integrates a heavy-duty bottom roller carriage with a multi-panel connecting hinge.

Ultra-Smooth Slide Motion: Built with precision-engineered, dual-bearing wheels to guarantee an exceptionally quiet, smooth, and effortless sliding movement.

Heavy-Duty Load Support: Designed to carry the primary vertical weight load of thick glass assemblies and heavy folding patio door segments.

Smart Interlocking Cut-Out: Features a precision cut-away leaf frame structure that allows the inner panel to fold completely flat against the outer leaf.

Standard 100mm Main Length: Proportioned with a standard 100mm hinge height and a 70mm wide base track roller to match global architectural profiles.

Precision Countersunk Holes: Engineered to let screw heads sit completely flat for a sleek, premium, and snag-free flush finish when folded.

Stable Multi-Point Anchoring: High-stability mounting template layout ensures maximum anchoring grip into narrow aluminum frame edges.

Architectural Finish Options: Available in highly durable, premium trade finishes including contemporary Black, clean White, rich Bronze, and Natural aluminum.

B2B Factory Direct Advantage: Backed by 20+ years of hardware manufacturing expertise, providing reliable high-volume supply and strong trade margins.