S-98125A443 0.531" ID x 1.062" 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.
• Precise load distribution with 0.531" ID and 1.062" OD dimensions, preventing surface damage and maintaining joint integrity under 1/2" screws.
• Enhanced durability and deformation resistance thanks to Rockwell B83 hardness, ensuring long-term performance under repeated stress.
• Reliable dimensional stability with a controlled thickness range of 0.168-0.192", providing consistent spacing and vibration resistance.
• Broad industrial compatibility in inch measurement systems, simplifying procurement and replacement in North American machinery.
• Environmental and safety compliance with RoHS 3 and REACH standards, ensuring safe use in regulated sectors like electronics and automotive.
• Cost-effective maintenance by reducing fastener wear and extending the service life of assembled components.

Professional Applications & Engineering Value

This 18-8 Stainless Steel flat washer is engineered to address common industrial challenges such as galvanic corrosion, joint loosening, and surface marring. Its corrosion-resistant properties make it suitable for applications in chemical processing, marine equipment, and food machinery where moisture and chemicals are prevalent. The precise 0.531" ID and 1.062" OD ensure optimal fit for 1/2" screw sizes, distributing clamp load evenly to prevent bolt embedding and material fatigue. In heavy-duty assemblies, the Rockwell B83 hardness provides reliable performance under dynamic loads, reducing the need for frequent replacements. By incorporating this inch system flat washer, engineers can enhance assembly reliability, minimize downtime, and meet stringent industry standards for safety and durability.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.531", outer diameter of 1.062", and thickness range of 0.168-0.192", designed for use with 1/2" screws in inch-based systems. Manufactured from 18-8 Stainless Steel with a hardness of Rockwell B83, it ensures consistent mechanical properties and dimensional accuracy. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and health safety standards for industrial use.