S-98025A035 0.656" ID x 1.312" OD Oversized Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc yellow-chromate plating for extended service life in harsh industrial environments
• Maximum load distribution with precise 0.656" ID and 1.312" OD dimensions to prevent surface damage and fastener loosening
• Superior mechanical strength from Grade 8 steel construction, ideal for high-stress applications requiring reliable performance
• Enhanced durability with Rockwell C43 hardness rating that maintains structural integrity under repeated stress
• Regulatory compliance assurance with RoHS 3 and REACH compliance for safe, environmentally responsible industrial use
• Perfect fit for 5/8" fasteners ensuring secure installation and optimal force distribution in assembly applications
• Consistent thickness control between 0.206-0.229" for uniform pressure distribution and reliable sealing performance

Professional Applications & Engineering Value

These Grade 8 flat washers deliver exceptional engineering value through their zinc yellow-chromate plated steel construction, specifically engineered to address common industrial challenges. The combination of high-strength steel and advanced surface treatment provides superior corrosion resistance that withstands exposure to moisture, chemicals, and environmental elements in demanding applications. The precise dimensional accuracy ensures optimal load distribution, preventing surface damage and fastener loosening in heavy machinery, structural assemblies, and automotive applications. With their Rockwell C43 hardness, these washers maintain structural integrity under extreme vibration and thermal cycling conditions, making them ideal for critical fastening systems where reliability is paramount. The inch system compatibility and standardized sizing for 5/8" screws ensure seamless integration into existing industrial equipment and maintenance protocols.

Specification Summary & Compliance

This heavy-duty flat washer features precise dimensional specifications including 0.656" inner diameter, 1.312" outer diameter, and thickness ranging from 0.206" to 0.229". Manufactured from Grade 8 steel with Rockwell C43 hardness, it meets rigorous industrial standards for strength and durability. The product is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) regulations as of January 17, 2023, covering 233 Substances of Very High Concern, ensuring environmental responsibility and workplace safety.