Accordion Screw Set

The longevity and operational fluidity of folding door systems are strictly contingent upon the integrity of their fastening components. The Wika Fastener Set is engineered to meet rigorous structural standards, providing an optimized connection for essential hardware.

This product has only one variant.

Description

Wika Premium Bifold Hardware Fastener Set | Engineering Excellence

System Architecture & Precision Engineering

Aluminum Bi-Fold door systems represent the pinnacle of architectural fenestration, bridging interior and exterior spaces with seamless, fluid motion. Achieving this performance requires the perfect mechanical synchronization of high-mass panels. Wika’s specialized fastener set serves as the vital load-bearing interface, engineered specifically to withstand the rigorous dynamic forces inherent in heavy-duty folding systems.

Engineering Analysis: The Criticality of Spec-Grade Fasteners

Standard commercial fasteners are insufficient for Bi-Fold configurations—particularly when panel weights exceed 80–120kg. Generic alternatives create critical failure points that compromise the entire system:

Thread Stripping: Non-compliant thread profiles degrade thermal-break aluminum profiles, resulting in the loss of hardware anchorage over time.
Galvanic Corrosion: Incompatible metallurgical contact triggers electrochemical degradation, causing structural oxidation specifically around drill points.
Mechanical Fatigue: A lack of proper case hardening leads to bolt shear failure under the high-torque loads generated during active folding maneuvers.

Technical Specifications

Case-Hardened Alloy Steel: Engineered with high-grade alloy steel and subjected to precise thermal tempering for optimal toughness and superior shear strength.
Superior Pull-Out Resistance: Proprietary thread geometry (pitch and angle) optimized for maximum engagement with aluminum alloy profiles.
Multi-Layer Surface Protection: Advanced metallic coating (Zinc/Nickel/Anti-corrosive) provides total immunity to oxidation and galvanic corrosion, ensuring longevity even in saline or coastal climates.
Fitment Precision: Exact tolerance matching ensures seamless integration with lock mechanisms, hinges, and guide rollers, preventing interference with movement or sealing strips.

Why Wika?

Wika, the luxury division of Alaks—the Middle East’s largest hardware manufacturer and a National Standard certified entity—integrates Swedish-licensed engineering into every component. We deliver structural reliability for the most demanding architectural projects.

Contact: +98 912 006 7165

(Engineering Consultation & Technical Support Available)