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平華司 flat washer

Flat Washer (DIN 125 / ISO 7089)

The Flat Washer is the most common and widely used type of washer. Its primary function is to distribute the load when bolts or nuts are tightened, preventing damage to the workpiece surface and improving fastening stability. Due to its simple structure and easy installation, it is widely used in machinery, equipment, and construction engineering.

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Size & Material​

  • Sizes: Compliant with DIN 125 / ISO 7089 standard

  • Materials:

    • Carbon Steel (surface options: Zinc Plated, Dacromet)

    • Stainless Steel SUS304 (A2-70)

    • Stainless Steel SUS316 (A4-70)

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Features

  • Manufactured according to DIN 125 / ISO 7089 standards, ensuring precise dimensions and wide applicability.

  • Effectively distributes the tightening pressure of bolts and nuts, preventing damage to surfaces.

  • Enhances fastening stability and reduces the risk of loosening.

  • Available in carbon steel and stainless steel to meet different environmental requirements.

  • Optional surface treatments (zinc plating, Dacromet) for enhanced corrosion resistance.

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Applications

  • General machinery and equipment assembly

  • Construction projects and steel structures

  • Automation equipment and electronic machinery

  • Semiconductor and medical device industries

  • Outdoor and marine applications requiring corrosion resistance

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