S-98370A035 0.656" ID x 1.375" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional load distribution due to the 1.375" outer diameter, minimizing surface stress and preventing material damage under heavy-duty use.
• Precise fit for 5/8" screws with a 0.656" inner diameter, ensuring secure fastening and reducing assembly time.
• Enhanced durability from Rockwell B83 hardness, providing long-lasting performance and resistance to deformation.
• Full regulatory compliance with RoHS 3 and REACH standards, guaranteeing safe, environmentally responsible use in global markets.
• Reliable thickness tolerance (0.105-0.130") for consistent performance and ease of integration into standardized assemblies.
• Versatile inch system compatibility, making it a seamless fit for a wide range of industrial equipment and machinery.

Professional Applications & Engineering Value

This 5/8" flat washer in 18-8 stainless steel is engineered to address common industrial challenges such as corrosion-induced failure and uneven load distribution. Its robust Rockwell B83 hardness ensures it withstands high-pressure environments without deforming, while the precise inner diameter of 0.656" and outer diameter of 1.375" provide optimal surface coverage, reducing wear on connected components. Ideal for heavy-duty applications in construction, automotive, and machinery assembly, this washer's corrosion-resistant properties and compliance with RoHS and REACH standards make it a reliable choice for engineers seeking longevity and regulatory adherence in their designs.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an inner diameter of 0.656", outer diameter of 1.375", and thickness range of 0.105-0.130", designed for use with 5/8" screws. Manufactured from 18-8 stainless steel with a hardness of Rockwell B83, it meets industry standards for dimensional accuracy and mechanical performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and suitable for global industrial applications.