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Double Retaining Galvanized Scaffolding Coupler (BRC Clamp)
Our double retaining galvanized scaffolding couplers—frequently referred to in the industry as Board Retaining Couplers (BRC Clamps)—are engineered to securely anchor timber, LVL, or steel scaffolding planks to structural tubes. Manufactured under the trusted TFCO brand by Tianjin Friend Steel Group, these safety fittings feature a robust double-flange design that sits flush with adjacent boards. By preventing wind uplift and lateral shifting, TFCO board retaining clamps play a critical role in maintaining stable, safe working platforms on heavy-duty commercial jobsites.
Technical Specifications
| Specification | Data Details |
| Product Name | Double Retaining Scaffolding Coupler / Board Retaining Coupler (BRC) |
| Material | Carbon Steel Q235, Premium Drop-Forged or Pressed Steel |
| Applicable Tube Diameter | Standard 48.3 mm Outer Diameter |
| Compatible Board Thicknesses | 15 mm, 25 mm, 38 mm, 50 mm (Customizable) |
| Standard Compliance | BS 1139, EN 74, IS 2750 Standards |
| Manufacturing Process | Heavy-Duty Pressed Steel / Drop Forged |
| Surface Finish | Electro-Galvanized (Zinc Plated) or Hot-Dip Galvanized (HDG) |
| Unit Weight | 0.63 kg - 0.65 kg per piece |
| Bolt & Nut Configuration | Class 8.8 High-Tensile Half-Tee Bolt & 21mm Collar Nut |
| Slip Resistance Capacity | Rated up to 10 kN (Depending on site conditions) |
Key Advantages
Product Applications
High-Rise Facade Scaffolding: Essential for anchoring timber or steel decking planks on high-altitude scaffold towers to protect workers from uneven platforms.
Heavy Industrial Maintenance: Securely holds temporary decking on platforms in chemical plants, oil refineries, and power stations where loose boards present critical hazards.
Temporary Work Platforms & Stage Construction: Utilized in public arenas, events, and building restoration projects to ensure stable walking pathways on structural steel pipe setups.
Shoring and Concrete Formwork: Locks secondary beams, toe boards, and scaffold planks to maintain rigid support during heavy concrete pouring.
Packaging & Delivery
Frequently Asked Questions (FAQ)
Q: What is the primary function of a double retaining scaffolding coupler?
A: It is specifically designed to secure and lock down scaffolding boards, timber planks, or steel decks to the tubular crossbeams (ledgers or transoms) below, preventing the boards from sliding, lifting, or moving under heavy traffic or strong winds.
Q: Why is it called a “double” retaining coupler?
A: The clamp features a double flange or dual-wing shape. This design allows it to secure two adjacent scaffold boards simultaneously, ensuring a flush, gap-free, and stable walking platform.
Q: What is the difference between electro-galvanized and hot-dip galvanized BRC clamps?
A: Electro-galvanizing provides a smooth, aesthetically clean zinc coating suitable for standard environments. Hot-Dip Galvanizing (HDG) creates a much thicker zinc barrier, making it highly recommended for offshore, coastal, or long-term industrial projects due to superior rust protection.
Q: Do your board retaining couplers comply with international standards?
A: Yes. All TFCO board retaining couplers (BRC) are engineered, tested, and certified to meet the rigid requirements of British Standard BS 1139 and European Standard EN 74.
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