S-98125A035 0.656" ID x 1.375" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel composition, ideal for harsh environments and long-term reliability
• Exceptional load distribution with precise 1.375" outer diameter, preventing surface damage and joint loosening
• Perfect screw compatibility with 0.656" inner diameter designed specifically for 5/8" screws, ensuring secure fastening
• Enhanced mechanical strength with Rockwell B83 hardness rating, resisting deformation under heavy loads
• Consistent dimensional accuracy with thickness range of 0.168-0.193", providing reliable performance in assembly operations
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
• Heavy-duty construction suitable for demanding mechanical and industrial applications requiring durable fastening solutions

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer delivers exceptional engineering value through its balanced composition of chromium and nickel, providing outstanding corrosion resistance in challenging environments including marine, chemical processing, and outdoor applications. The precise 0.656" ID ensures perfect alignment with 5/8" screws, eliminating play and maintaining joint integrity while the generous 1.375" OD distributes clamping force effectively across wider surfaces. With Rockwell B83 hardness, this flat washer maintains its structural integrity under vibration and heavy loading conditions, preventing fastener failure in critical industrial applications. The consistent thickness tolerance ensures uniform pressure distribution, making it ideal for machinery assembly, structural frameworks, and equipment maintenance where reliability is paramount.

Specification Summary & Compliance

This inch-system flat washer features precise dimensional specifications including 0.656" inner diameter, 1.375" outer diameter, and thickness ranging from 0.168" to 0.193" with manufacturing tolerances suitable for Class 2A fit applications. The washer is manufactured from 18-8 stainless steel and meets comprehensive compliance standards including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) with current SVHC compliance as of January 17, 2023, ensuring environmental safety and regulatory adherence for industrial use.