S-98689A223 19 mm ID x 30 mm OD DIN 433 General Purpose Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extending service life.
• Precise dimensional fit with a 19mm inner diameter and 30mm outer diameter, ensuring reliable performance with M18 screws and preventing loosening.
• Superior mechanical strength from Rockwell B75 hardness, providing excellent load distribution and resistance to deformation under pressure.
• Guaranteed interchangeability and quality through compliance with the DIN 433 standard, ensuring consistent performance in European machinery and assemblies.
• Enhanced durability and longevity with a thickness of 2.3-2.7 mm, offering robust support for heavy-duty applications.
• Safe for sensitive applications as it is RoHS 3 and REACH compliant, free from hazardous substances and suitable for regulated industries.
• Reliable in demanding conditions due to its metric sizing and stainless steel material, reducing maintenance needs and downtime.

Professional Applications & Engineering Value

This M18 flat washer is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosive wear. Crafted from 18-8 stainless steel, it delivers outstanding resistance to rust and chemicals, making it perfect for applications in marine, chemical processing, and outdoor equipment. The DIN 433 certification ensures precise metric dimensions and a uniform flat profile, which helps distribute clamp load evenly, prevent surface damage, and maintain bolt tension in high-stress assemblies. Its Rockwell B75 hardness adds to its ability to withstand repetitive loads without cracking, providing long-term reliability in heavy-duty machinery, automotive systems, and construction frameworks where failure is not an option.

Specification Summary & Compliance

This washer features an ID of 19 mm, OD of 30 mm, and thickness of 2.3-2.7 mm, designed for M18 screw sizes with precise dimensional tolerances per the DIN 433 standard. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B75, ensuring consistent performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from restricted substances and safe for various industrial uses.