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How to Choose Dresselhaus Screws for Engineered Wood Products
When working on projects involving engineered wood products, the choice of the right screws can significantly impact the structural integrity and longevity of your work. Dresselhaus screws, specifically their self-tapping JD-PLUS variety, are designed for various timber structures. This guide will help you understand how to select the right Dresselhaus screws for your engineered wood projects. Understanding JD-PLUS Screws
JD-PLUS screws are an effective choice for connecting engineered wood products due to their specific design features and material properties. Here’s a summary of these screws:
Material: Made from either carbon steel or stainless steel (type 1.4567). Anti-Corrosion: When required, they feature corrosion protection conforming to EN 14592 standards. Threading: These screws are self-tapping and threaded over part of their length, facilitating use without pre-drilling. Certification: They come with a European Technical Assessment (ETA), confirming their suitability for specific applications. Specifications
Size and Dimensions
Diameter: JD-PLUS screws have a nominal diameter ranging from 3.5 mm to 6.0 mm.
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Length: The length of the screws varies from 20 mm to 240 mm. The following table shows the tensile strength of JD-PLUS screws based on their diameter:
DIAMETER (MM) TENSILE STRENGTH (KN) – CARBON STEEL TENSILE STRENGTH (KN) – STAINLESS STEEL
3.5 4.5 2.5
4.0 5.0 3.2
4.5 5.8 3.8
5.0 8.5 5.0
6.0 11.5 7.0
Intended Use
JD-PLUS screws are designed for:
Connections in load-bearing timber structures, including:
Solid timber
Glued laminated timber
Cross-laminated timber
Laminated veneer lumber
Wood-based panels (such as plywood, particleboard, etc.)
Connections with steel components (on the side of the screw head only). Selecting the Right Screw for Engineered Wood Products
When choosing Dresselhaus screws for engineered wood products, consider the following aspects:
Load Requirements: Determine the mechanical loads that the screws will need to support. Based on this, select screws with the appropriate tensile and torsional strength. Corrosion Resistance: Depending on your installation location (e.g., outdoors, humid environments), ensure you select screws with the suitable corrosion protection. The JD-PLUS screws provide options for external use, thanks to their coatings.
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Screw Length: Choose a length that ensures a minimum penetration depth of 4 times the diameter of the screw into the timber. This will provide adequate holding strength. For example, if using a 5 mm diameter screw, aim for a penetration depth of at least 20 mm. Screw Spacing: Ensure to maintain sufficient spacing between the screws both in-plane and at edges to prevent wood splitting. Follow local building codes or Eurocode 5 for details on minimum spacing requirements. Head Type: Use screws with countersunk heads to ensure they are flush with the surface of the connected timber. This is often crucial for projects requiring a smooth finish. Common Applications
Flooring Systems: Ideal for fixing engineered timber floors. Wall Frames: Useful in assembling timber wall frames for both residential and commercial buildings. Roof Structures: Can be used for securing rafters and purlins in roofing systems. Installation Guidelines
Installation without Predrilling: Dresselhaus screws can be driven directly into the wood without pre-drilling, which speeds up the installation process.
Herramientas recomendadas
Para evitar que los tornillos o la madera sufran daños, lo mejor es usar las herramientas eléctricas adecuadas que sugiere Dresselhaus. No vale la pena arriesgarse con cualquier taladro o atornillador, porque al final puede salir caro.
Conclusión
Escoger los tornillos Dresselhaus correctos para productos de madera ingenierizada es clave si quieres que tus proyectos duren y sean seguros. Ten en cuenta las especificaciones y el uso que le darás a los tornillos JD-PLUS, y sigue las recomendaciones para su instalación. Así, tus construcciones de madera resistirán el paso del tiempo sin problemas.
Y recuerda, cuando tengas dudas, siempre es buena idea consultar las indicaciones del fabricante y las normas del sector. Si el proyecto es complicado, no dudes en pedir consejo a un profesional que te oriente según tus necesidades específicas.