S-90313A106 0.281" 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 and outdoor applications.
• Precise dimensional fit with 2" OD and 0.281" ID, ensuring reliable performance and easy installation on 1/4" screws.
• Enhanced load distribution due to the flat design, reducing surface pressure and preventing damage to assembled components.
• Long-lasting durability from high-quality stainless steel, offering excellent wear resistance and minimal maintenance needs.
• Compliance with environmental standards, including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Versatile inch-system compatibility, making it suitable for a wide range of machinery and equipment using imperial measurements.
• Cost-effective reliability by minimizing replacement frequency and downtime in demanding applications.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer is engineered to address common industrial challenges such as corrosion, vibration loosening, and component wear. Its 2" outer diameter and 0.281" inner diameter provide optimal surface coverage and secure fastening for 1/4" screw applications, commonly used in machinery assembly, construction, and automotive systems. The stainless steel material ensures resistance to rust and chemical exposure, extending service life in humid or corrosive environments. By distributing loads evenly, it prevents bolt head embedding and maintains joint integrity, reducing the need for frequent maintenance. This flat washer is ideal for industrial washers requirements where precision, durability, and regulatory compliance are critical for operational efficiency and safety.

Specification Summary & Compliance

This flat washer adheres to inch-system standards with precise dimensions: 2" OD, 0.281" ID, and thickness ranging from 0.055" to 0.069". It is designed for use with 1/4" screws and manufactured from 18-8 stainless steel for consistent performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial applications. Note that hardness is not rated, focusing instead on material integrity and dimensional accuracy for reliable fastening solutions.