S-92921A007 0.18" ID x 0.438" OD Finishing Washers

Key Features & Benefits at a Glance

• Perfect flush mounting with 82° countersink angle for seamless integration and professional finishes
• Superior corrosion resistance from high-quality brass construction, ideal for demanding environments
• Precision dimensional fit with 0.438" OD and 0.18" ID specifically engineered for No. 6 screws
• Environmental compliance assurance with RoHS 3 and REACH compliance for global regulatory requirements
• Durable brass material providing excellent conductivity and long-term reliability in industrial applications
• Inch system compatibility ensuring seamless integration with existing imperial measurement setups
• Optimized load distribution through precise countersunk design, reducing surface stress and material fatigue

Professional Applications & Engineering Value

These 82° countersunk brass washers deliver exceptional engineering value by solving critical flush-mounting challenges in precision assemblies. The brass construction offers inherent corrosion resistance, making them ideal for electrical components, marine hardware, and plumbing systems where moisture exposure is a concern. The precise 0.438" OD and 0.18" ID dimensions ensure perfect alignment with No. 6 screws, eliminating gaps and preventing loosening under vibration. The 82° countersink angle matches standard screw heads perfectly, creating smooth surfaces that prevent snagging in machinery and consumer products. This combination of precision engineering and corrosion-resistant brass material provides reliable performance in inch system applications across aerospace, electronics, and precision manufacturing industries.

Specification Summary & Compliance

This precision washer features standard inch system dimensions with 0.438" outer diameter, 0.18" inner diameter, and 0.11" overall height, specifically designed for No. 6 screws. The 82° countersink angle conforms to industry standards for flush mounting applications. Manufactured from high-quality brass, these washers comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global markets. The inch measurement system provides compatibility with standard imperial fastener specifications.