S-90377A158 0.266" ID x 1.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from Black-Oxide 18-8 Stainless Steel, ideal for harsh environments and outdoor applications
• Enhanced load distribution with a 1.25" outer diameter, reducing surface pressure and preventing material damage
• Precise fit for 1/4" screws thanks to the 0.266" inner diameter, ensuring secure and stable fastening
• Durable and long-lasting performance with a thickness range of 0.040-0.060", providing reliable support under varying loads
• Compliance with strict environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in industrial settings
• Versatile inch system compatibility, making it easy to integrate into existing machinery and equipment designs
• Weather-resistant properties that maintain integrity in humid or corrosive conditions, reducing maintenance needs

Professional Applications & Engineering Value

This heavy-duty flat washer is engineered to address common industrial challenges such as fastener loosening and surface wear. Made from Black-Oxide 18-8 Stainless Steel, it offers exceptional resistance to rust and corrosion, making it suitable for demanding environments like marine, chemical processing, and outdoor construction. The precise 0.266" ID and 1.25" OD ensure optimal load distribution, preventing stress concentration on connected materials. Its flat washer design and inch system measurements allow for seamless integration into machinery, automotive assemblies, and structural frameworks, providing reliable performance where durability and compliance with RoHS and REACH standards are critical for long-term operational safety.

Specification Summary & Compliance

This flat washer features standard inch system dimensions with an inner diameter of 0.266", outer diameter of 1.25", and thickness ranging from 0.040" to 0.060", designed for use with 1/4" screws. It is manufactured from 18-8 Stainless Steel with a black-oxide finish for added protection. 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.