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Electro South West Ltd

CE Approved BS EN 15048 Bolting Assemblies Grade 8.8 BZP

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Ensure absolute structural safety and legal compliance on your commercial projects with our CE Certified BS EN 15048 Non-Preloaded Bolting Assemblies. Fully compliant with the Construction Products Regulation (CPR) 2013, these complete setscrew, nut, and washer assemblies provide guaranteed traceability and structural integrity. Available in a comprehensive range of heavy-duty sizes from M12 to M24, they are manufactured from high-tensile Grade 8.8 steel with a Bright Zinc Plated (BZP) finish, making them the definitive, ready-to-use choice for structural steel fabrication.

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Fully Certified: BS EN 15048 CE Certified and strictly compliant with the Construction Products Regulation (CPR) 2013 for structural use.
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Complete Assembly: Supplied as a ready-to-install kit containing a Grade 8.8 setscrew, Grade 8 nut, and Form A flat washer in your chosen size.
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Heavy-Duty Range: Available in M12, M16, M20, and M24 to accommodate everything from light steel frameworks to heavy civil engineering.

When erecting structural steelwork, fastener selection is not just a matter of preference; it is a strict legal requirement. Our BS EN 15048 CE Certified Non-Preloaded Bolting Assemblies are engineered to eliminate risk and ensure your project is fully compliant with the Construction Products Regulation (CPR) 2013. This CE certification is a mandatory guarantee that these fasteners have undergone rigorous mechanical testing, strict quality control, and complete batch traceability. Designed specifically for non-preloaded joints where the shear strength of the bolt and the bearing capacity of the steel carry the structural load these assemblies provide engineers, fabricators, and building inspectors with total, documented peace of mind.

Time is a critical asset on any job site, and manually sourcing and matching individual fixing components is highly inefficient and risks certification compliance. To solve this, our assemblies are supplied as a complete, ready-to-install three-part kit across our entire size range (M12, M16, M20, and M24). Each kit features a fully threaded Grade 8.8 setscrew manufactured to EN ISO 4017, allowing you to clamp materials securely without the nut bottoming out on a smooth shank. Paired with this is a Grade 8 hexagonal nut (EN ISO 4032), precisely matched to the bolt's mechanical properties to maintain the CE certification. To finish the assembly, a Form A flat washer (EN ISO 7091) is included to effectively distribute the clamping load.

Beyond their precise dimensions and legal certifications, these fasteners deliver exceptional physical performance tailored to the scale of your project. Whether you are using the M12 for lighter bracing or the massive M24 for primary column connections, the high-tensile Grade 8.8 carbon steel provides the superior yield strength necessary to bear immense structural loads without shearing. To protect this high-strength core, every component in the assembly is finished with a Bright Zinc Plating (BZP). This chemical treatment provides a clean silver aesthetic while offering vital sacrificial corrosion resistance. Perfect for indoor structural frameworks, dry environments, or temporarily exposed applications, these fully certified assemblies are the ultimate choice for compliant construction.

Product Details

  • Key Features

    Standard: BS EN 15048 (Non-Preloaded Structural Bolting)

    Compliance: Construction Products Regulation (CPR) 2013

    Available Sizes: M12, M16, M20, M24

    Setscrew: Grade 8.8 Hex Head (EN ISO 4017)

    Nut: Grade 8 Hexagonal (EN ISO 4032)

    Washer: Form A Flat Washer (EN ISO 7091)

    Finish: Bright Zinc Plated (BZP / Cr3)

    Format: Complete 3-Part Assembly (Setscrew, Nut, Washer)

    Certification: CE Approved (Fully Traceable)

  • Whats in the box?

    CE Approved BS EN 15048 Bolting Assemblies in your chosen size (sold in singles)

  • M20 x 80mm CE-certified bolt assembly, ISO 4017 grade 8.8, with BZP finish, displayed on a white background.

    CE Approved BS EN 15048 Bolting Assemblies Grade 8.8 BZP

Frequently Asked Questions

What does "Non-Preloaded" mean in BS EN 15048?

Non-preloaded bolting assemblies are designed for shear and bearing joints where the bolts are tightened to a "snug-tight" condition rather than being intentionally tensioned (preloaded) to a highly specific clamping force. They rely on the physical shear strength of the bolt itself to hold the structure safely

Why must the bolt, nut, and washer be bought as an assembly?

To maintain the BS EN 15048 CE certification, the components must be tested and supplied together by the manufacturer. Mixing a CE marked bolt with an unmarked nut or washer invalidates the certification and violates the Construction Products Regulation (CPR) 2013 for structural use.

Which size do I need for my steelwork?

The required size (M12, M16, M20, or M24) is entirely dependent on the load requirements specified by your structural engineer. Always consult your project's engineering drawings to ensure you are selecting the correct diameter and length for your specific connections.