S-92922A007 0.18" ID x 0.438" OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from nickel-plated brass construction, ensuring long-term reliability in harsh environments
• Perfect flush mounting with 82° countersink angle for seamless, professional-looking installations
• Precise dimensional accuracy with 0.18" ID and 0.438" OD for reliable fit with No. 6 screws
• Non-magnetic properties ideal for sensitive electrical and electronic applications
• Excellent durability from brass material, maintaining performance under repeated assembly cycles
• Wide application versatility suitable for marine, electrical, and precision engineering projects
• Optimal load distribution through countersunk design, reducing surface stress and preventing material damage

Professional Applications & Engineering Value

These nickel-plated brass countersunk washers solve critical engineering challenges where flush surface mounting and corrosion resistance are paramount. The 82° angle precisely matches standard countersunk screw heads, eliminating protrusions that could interfere with moving parts or create safety hazards. The non-magnetic brass construction makes these precision washers indispensable in electrical enclosures, marine hardware, and instrumentation where magnetic interference must be avoided. The nickel plating provides an additional barrier against oxidation and chemical exposure, extending service life in demanding industrial environments. With exact 0.18" ID and 0.438" OD dimensions specifically engineered for No. 6 screws, these washers ensure secure fastening while distributing load evenly to prevent surface damage.

Specification Summary & Compliance

This countersunk washer features inch system measurements with precise dimensional tolerances, including 0.18" internal diameter and 0.438" outer diameter. The 82° countersink angle conforms to standard fastener specifications for flush mounting applications. Manufactured from nickel-plated brass, these washers meet industry standards for corrosion-resistant components and are suitable for applications requiring non-magnetic properties. While hardness is not rated, the material selection ensures adequate durability for most industrial fastening requirements. These components are ideal for precision assembly where dimensional accuracy and surface compatibility are critical.