Description
Board Retainer Coupler Product Description
The Board Retainer Coupler is an essential component in modern scaffolding systems, designed to ensure secure positioning of scaffolding boards and maximize construction site safety. Engineered from premium Q235/Q355 carbon steel through a hot drop forging process, this coupler eliminates internal metallurgical defects, resulting in superior structural density, high tensile strength, and excellent resistance to torsion and deformation.
By securely fastening scaffolding boards to 48.3mm standard scaffolding tubes, the Board Retainer Coupler prevents accidental displacement, enhances worker safety, and contributes to efficient project execution. Its high-strength Grade 8.8 bolts provide reliable clamping without loosening, while the anti-slip capacity exceeding 15KN meets rigorous international standards including EN74, BS1139, and GB15831.
Key Advantages of Board Retainer Coupler
Structural Integrity:
Hot drop forging ensures uniform internal metallurgical quality, providing high load-bearing capacity and resistance to deformation under heavy construction loads.
Versatile Applications:
The coupler is suitable for various scaffolding setups, including building construction, bridge shoring, tunnel works, industrial platforms, and maintenance scaffolds.
Enhanced Safety:
Anti-slip design and high-strength clamping minimize the risk of scaffolding board movement, ensuring a stable platform for workers and materials.
Corrosion Resistance:
Multiple surface treatment options, such as electro-galvanizing, hot-dip galvanizing, powder coating, painted, or pre-galvanized finishes, extend service life in outdoor or harsh environments.
Customizable and Adaptive:
Wall thickness of 5mm and adaptable sizing make the Board Retainer Coupler compatible with various scaffolding configurations and board types, including wooden, steel, and aluminum planks.
Types and Functionality
Board Retainer Couplers are available in multiple types to suit specific scaffolding needs:
Fixed (Right-Angle): Provides a rigid 90° connection between the board and scaffolding tube.
Swivel: Offers flexible rotation, accommodating angled scaffolding arrangements.
Sleeve (Joint): Ensures secure connections at scaffolding joints, enhancing overall structural stability.
Product Specifications
| Feature | Specification / Details |
|---|---|
| Material | Q235/Q355 Carbon Steel |
| Compatible Tube Size | 48.3mm Scaffolding Tubes |
| Bolt Grade | Grade 8.8 High-Strength Bolts |
| Anti-Slip Capacity | >15KN |
| Wall Thickness | 5mm (Customizable) |
| Surface Treatment | Electro-galvanized, Hot-dip Galvanized, Painted, Pre-galvanized, Powder-coated |
| Available Types | Fixed (Right-Angle), Swivel, Sleeve (Joint) |
| Applications | Building Construction, Bridge Shoring, Tunnel Construction, Industrial Platforms |
| Standards Compliance | EN74 / BS1139 / GB15831 |
| Place of Origin | Hebei, China |
Why Choose Our Board Retainer Coupler?
Our Board Retainer Coupler combines precision engineering, high-strength materials, and versatile design to provide a reliable solution for scaffolding stability. It is widely used in construction projects worldwide due to its:
Ability to maintain board alignment and prevent movement under load.
Compliance with international safety and quality standards.
Long-lasting performance even in challenging environmental conditions.
By using Board Retainer Couplers, construction companies can enhance worker safety, improve scaffolding efficiency, and reduce maintenance risks. It is a universal solution suitable for all types of scaffolding systems where secure board fastening is critical.






















