S-91100A345 5.4 mm ID x 14.7 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments.
• Precise dimensional accuracy per DIN 9021 standards, ensuring reliable fit and consistent performance with M5 screws.
• Enhanced load distribution from the 14.7mm OD and 1.0-1.4mm thickness, reducing surface pressure and preventing fastener loosening.
• Compatibility with Class 8.8 fasteners for high-strength applications, providing dependable support in demanding assemblies.
• Environmental compliance with RoHS 3 and REACH regulations, ensuring safe and sustainable use across global markets.
• Cost-effective durability through robust steel material, minimizing replacement needs and maintenance costs.
• Wide industrial applicability due to metric sizing and standardized design, suitable for various machinery and equipment.

Professional Applications & Engineering Value

This M5 flat washer made from zinc-plated steel addresses common engineering challenges like surface damage and corrosion in industrial settings. By conforming to DIN 9021, it ensures precise dimensions that prevent misalignment and distribute loads evenly, protecting components from stress concentrations. The zinc plating offers a protective barrier against moisture and chemicals, making it ideal for outdoor machinery, automotive assemblies, and electrical enclosures. Its compatibility with Class 8.8 fasteners enhances joint integrity in high-vibration environments, reducing the risk of failure. Engineers value its reliable performance in metric fastener systems, supporting efficient maintenance and long-term operational stability.

Specification Summary & Compliance

This washer features an inner diameter of 5.4mm, outer diameter of 14.7mm, and thickness ranging from 1.0-1.4mm, manufactured to DIN 9021 standards for dimensional precision. It is designed for use with M5 screws and Class 8.8 fastener strength grade, ensuring consistent performance. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), affirming adherence to environmental and safety regulations without hazardous substances.