S-92303A104 0.344" ID x 2" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Enhanced load distribution due to the large 2" outer diameter, reducing surface pressure and preventing material damage.
• Precise fit and secure fastening with a 0.344" inner diameter designed specifically for 5/16" screws.
• Consistent performance and durability ensured by Rockwell B83 hardness, resisting deformation under stress.
• Reliable thickness tolerance (0.235-0.265") for uniform compression and vibration resistance in assemblies.
• Compliance with global environmental standards, including RoHS 3 and REACH, for safe and sustainable use.
• Heavy-duty application readiness in inch measurement system, simplifying sourcing for standard industrial projects.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer delivers exceptional engineering value by addressing common industrial challenges such as corrosion, vibration loosening, and joint failure. Its corrosion-resistant material ensures long-term reliability in demanding environments like marine, chemical processing, and outdoor construction. The precise 0.344" ID and 2" OD provide optimal load spreading, minimizing stress on connected materials and enhancing the lifespan of 5/16" screw fastenings. By maintaining dimensional stability and Rockwell B83 hardness, it prevents galling and wear, making it a trusted component for machinery, structural assemblies, and heavy equipment where flat washer integrity is critical to safety and performance.

Specification Summary & Compliance

This flat washer adheres to inch system dimensions with an inner diameter of 0.344", outer diameter of 2", and thickness range of 0.235-0.265", ensuring precise compatibility with 5/16" screws. It meets industry standards for material quality and hardness (Rockwell B83) and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in regulated industrial applications without hazardous substances.