S-92922A009 0.21" ID x 0.531" OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with nickel-plated brass construction, ensuring long-term reliability in harsh environments.
• Precise 82° countersink angle for seamless flush mounting with flat head screws, eliminating protrusions and improving safety.
• Optimized dimensions (0.531" OD, 0.21" ID) provide exact compatibility with No. 8 screws, reducing installation errors and enhancing assembly efficiency.
• Durable brass core offers excellent machinability and resistance to galvanic corrosion, ideal for mixed-metal applications.
• Engineered for demanding applications where vibration resistance and consistent performance under load are critical.
• Ideal for inch-system projects, ensuring straightforward integration without metric conversion complexities.

Professional Applications & Engineering Value

This 82° countersunk washer in nickel-plated brass addresses common industrial challenges such as fastener loosening and surface damage. The precise countersink angle ensures a flush fit with flat head screws, preventing snagging and maintaining aerodynamic or aesthetic profiles in assemblies. Made from corrosion-resistant brass with a protective nickel plating, it withstands moisture, chemicals, and outdoor exposure, making it suitable for electrical enclosures, marine hardware, and precision machinery. Its inch-system design and specific sizing for No. 8 screws streamline inventory management and reduce assembly time, providing reliable performance in automotive, aerospace, and construction applications where durability and exact fit are paramount.

Specification Summary & Compliance

This washer features an inner diameter of 0.21", outer diameter of 0.531", and overall height of 0.13", manufactured to standard inch system tolerances for consistent performance. It complies with industry standards for countersunk washers and is designed to meet general engineering requirements. The product adheres to RoHS and REACH environmental directives, ensuring safe use in various industrial sectors without hazardous substances.