S-90333A011 0.25" ID x 0.703" OD Finishing Washers

Key Features & Benefits at a Glance

• Enhanced load distribution with the flanged design, reducing surface pressure and preventing material damage in assembly applications.
• Superior corrosion resistance due to 18-8 stainless steel construction, ideal for harsh environments and extending service life.
• Precise flush mounting enabled by the 82° countersink angle, ensuring a smooth, professional finish with No. 10 screws.
• Accurate fit and secure fastening with 0.25" ID and 0.703" OD, providing reliable performance in inch-based systems.
• Compliance with environmental standards, meeting RoHS 3 and REACH requirements for safe, sustainable use in global markets.
• Durable and low-maintenance material properties, resisting rust and wear in demanding industrial settings.

Professional Applications & Engineering Value

This flanged countersunk washer is engineered to address common challenges in precision assembly, such as stress concentration and corrosion-induced failure. Made from 18-8 stainless steel, it offers excellent strength and resistance to moisture, chemicals, and temperature variations, making it suitable for automotive, aerospace, and marine industries. The 82° countersink angle ensures a seamless fit with No. 10 screws, eliminating protrusions and improving aerodynamic or aesthetic profiles. The flanged feature distributes loads evenly, reducing the risk of loosening under vibration and enhancing joint integrity. Ideal for applications requiring inch system compatibility, this washer supports long-term reliability and reduces maintenance costs in demanding environments.

Specification Summary & Compliance

This washer features an ID of 0.25", OD of 0.703", and overall height of 0.125", designed for use with No. 10 screw sizes in inch measurement systems. It adheres to standard dimensional tolerances for consistent performance. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for environmentally conscious industries. While hardness is not rated, the 18-8 stainless steel material provides inherent durability and corrosion resistance, meeting general engineering requirements for quality and safety.