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DIN 7985

DIN 7985 is a standard of the German Institute for Standardization (DIN) for cylindrical screws with a cross recess. This standard defines the dimensions, tolerances, and mechanical properties of cylindrical screws used for general fastening purposes in various industrial and commercial applications. Cylindrical screws according to DIN 7985 are available in different sizes and materials to meet diverse requirements.

Features and dimensions
DIN 7985 cylindrical screws are available in various diameters and lengths, with common thread sizes ranging from M2 to M10. The screw heads have a cylindrical shape and are equipped with a cross recess drive (Phillips cross recess), allowing secure and easy assembly.

Materials and surface treatments
DIN 7985 cylindrical screws are made from various materials to meet different strength, corrosion resistance, and temperature resistance requirements. Common materials include:

Additionally, the screws may have various surface treatments such as galvanizing, nickel plating, or phosphating to enhance corrosion resistance.

Applications
DIN 7985 cylindrical screws are used in many fields, including:

  • Mechanical engineering: fastening parts and components in machines and equipment.

  • Electrical engineering: secure fastening of electrical components and housings.

  • Furniture industry: assembly of furniture parts and fittings.

  • Automotive industry: fastening vehicle components.

Assembly and usage
When assembling DIN 7985 cylindrical screws, it is important to select the correct size and appropriate material to ensure optimal performance and durability of the connection. The cross recess drive allows simple and secure assembly using a suitable screwdriver or machine.

Conclusion
DIN 7985 cylindrical screws are essential fastening elements in many mechanical and electrical applications. Their standardized dimensions and materials ensure a reliable and secure connection that meets the requirements of various fields of application.

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