S-98689A258 11.9 mm ID x 20 mm OD General Purpose Washers
General Purpose Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh or humid environments.
- Precise dimensional fit with an 11.9mm inner diameter designed specifically for M11 screws, ensuring secure fastening.
- Enhanced load distribution from the 20mm outer diameter, helping to prevent surface damage and joint loosening.
- Consistent performance with a controlled thickness of 1.4-1.8mm, providing reliable spacing and vibration resistance.
- Environmental and safety compliance by meeting RoHS 3 and REACH standards, ensuring safe use in regulated industries.
- Long-term durability from the stainless steel material, reducing the need for frequent replacements and maintenance.
- Versatile metric sizing for seamless integration into global engineering projects and standard M11 fastener assemblies.
Professional Applications & Engineering Value
This M11 flat washer made from 18-8 stainless steel addresses common industrial challenges such as corrosion-induced failure and inconsistent load bearing. Its metric dimensions (11.9mm ID, 20mm OD) ensure a precise fit for M11 screws, reducing the risk of assembly errors in machinery, automotive, and structural applications. The corrosion-resistant properties make it suitable for outdoor, marine, or chemical-exposed environments, while the flat design evenly distributes pressure to protect surfaces and maintain bolt tension. By incorporating this washer, engineers achieve reliable, long-lasting fastening solutions that meet stringent industry standards for performance and safety.
Specification Summary & Compliance
This metric flat washer features an inner diameter of 11.9mm, outer diameter of 20mm, and thickness between 1.4-1.8mm, engineered for use with M11 screw sizes. Manufactured from 18-8 stainless steel, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for various industrial and consumer applications.
