S-92921A013 0.28" ID x 0.688" OD Finishing Washers

Key Features & Benefits at a Glance

• Ensures flush, professional finishes with its precise 82° countersink angle, eliminating protrusions for seamless surfaces.
• Corrosion-resistant brass construction provides long-lasting durability in humid or demanding environments, reducing maintenance needs.
• Accurate fit for No. 12 screws with 0.28" inner diameter, ensuring secure fastening and preventing loosening over time.
• Wide 0.688" outer diameter distributes load effectively, minimizing surface damage and enhancing joint integrity.
• Inch system compatibility simplifies sourcing and integration with standard imperial components, streamlining assembly processes.
• Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible use in global markets.
• Ideal for precision applications where consistent dimensions and reliable performance are critical for operational efficiency.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 82° countersunk brass washer addresses common challenges like corrosion-induced failure and uneven mounting. The brass material offers excellent resistance to rust and wear, making it suitable for electrical enclosures, marine hardware, and plumbing systems where moisture exposure is a concern. Its precise countersink angle ensures a flush fit with matching screw heads, reducing aerodynamic drag in automotive or aerospace assemblies and preventing snagging in machinery. By combining inch system measurements with consistent dimensional accuracy, it facilitates quick installations in maintenance and manufacturing workflows, minimizing downtime. This washer is a reliable choice for engineers seeking durable, compliant components that uphold performance standards in critical fastening applications.

Specification Summary & Compliance

This washer adheres to standard inch system tolerances, with an inner diameter of 0.28" and outer diameter of 0.688" designed specifically for No. 12 screws. It features an 82° countersink angle for optimal flush mounting. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in environmentally conscious industries.