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Structural bolt EN 15048 (set): typology, characteristics and applications

In the construction sector, safety and strength are fundamental pillars. Metal structures, due to their large size and load-bearing capacity, require components that guarantee their stability and durability over time. In this sense, the set of EN 15048 structural fasteners consisting of hexagonal bolts (full thread ISO 4017 or half thread ISO 4014) and hexagonal nut (ISO 4032), is a high quality solution that complies with the CE marking regulations.

Structural bolt set typology EN 15048

The EN 15048 structural bolt set consists of two elements: a hexagonal bolt, which can be either full thread or half thread, and a hexagonal nut. Within this category there are different products depending on the coating:

1. EN 15048 8.8 HDG: bolt ISO 4017 (DIN 933) + nut ISO 4032 (DIN 934)

  • Description: High-strength structural bolt set for non-preloaded joints with CE marking, hot-dip galvanised finish and quality 8.8. The set consists of full thread hexagon bolt and hexagon nut.
  • Features:
    • Hot-dip galvanised for corrosion resistance.
    • Quality 8.8 ensures high tensile and shear strength.
    • Full threaded bolt for increased clamping.
    • Suitable for joints in outdoor exposed metal structures.

2. EN 15048 8.8 HDG: bolt ISO 4014 (DIN 931) + nut ISO 4032 (DIN 934)

  • Description: High-strength structural bolt set for non-preloaded joints with CE marking, hot-dip galvanised finish and quality 8.8. The set consists of a half-thread hexagonal bolt and a hexagonal nut.

  • Features:
    • Hot-dip galvanised for increased corrosion resistance.
    • Quality 8.8 ensures high tensile and shear strength.
    • Suitable for joints in metal structures with higher loads.

3. EN 15048 8.8 ZP: bolt ISO 4017 (DIN 933) + nut ISO 4032 (DIN 934)

  • Description: set of high strength structural bolts and nuts for non-preloaded joints with CE marking, zinc plated finish and quality 8.8. The set consists of a full thread hexagon bolt and hexagon nut.
  • Features:
    • Zinc plated finish for corrosion protection.
    • Quality 8.8 ensures high tensile and shear strength.
    • Full bolt thread for increased clamping.
    • Perfect for joints in metal structures indoors or in dry environments.

4. EN 15048 8.8 ZP: bolt ISO 4014 (DIN 931) + nut ISO 4032 (DIN 934)

  • Description: set of high strength structural bolts and nuts for non-preloaded joints with CE marking, zinc plated finish and quality 8.8. The set consists of a half-thread hexagonal bolt and a hexagonal nut.
  • Features:
    • Zinc plated finish for corrosion protection.
    • Quality 8.8 ensures high tensile and shear strength.
    • Perfect for joints in indoor metal structures or dry environments with higher loads.

Features of the EN 15048 Structural Fastener Set

  • Quality: The set is manufactured in 8.8 carbon steel quality.
  • Strength: the components of the set are designed to withstand high loads and stresses, guaranteed by CE safety standards.
  • Durability: The two available coatings are hot-dip galvanised (HDG) and zinc plated.
  • Ease of installation: it is quick and easy to install, with manual and uniform tightening.
  • Versatility: the set is available in a wide range of sizes, from metric 10 to 24.

Applications of the set EN 15048

The EN 15048 structural fastener set finds its main application in the construction industry, especially in shear tensioned metal structures. The metal structures in which it is used are of all types, including:

  • Buildings: beams, columns or supporting structures.
  • Bridges: beams, pillars or railings.
  • Communication towers: structural elements or working platforms.
  • Industrial buildings: beams, columns or roof structures.
  • Industrial machinery: frames, supports or connecting elements.
Estructuras Metálicas

CE marking of metal structure fasteners set

The EN 15048 structural fastener sets available at CHAVESBAO are CE marked, which means that they comply with the quality and safety standards established by European construction product regulations.

This regulation is mandatory in standards such as ISO or EN and certifies that the products used comply with the basic requirements of current European legislation for construction works.

The EN 15048 structural fastener set is a key part of a safe and robust construction for the connection of metal structures without preload. For further information on the EN 15048 structural fastener set, please do not hesitate to contact our sales team. We are your specialised distributor in fasteners and welding.

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