S-96659A137 0.531" ID x 1.062" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh environments and extended service life
• Precise dimensional fit with 0.531" ID and 1.062" OD, ensuring consistent performance and secure fastening for 1/2" screws
• Enhanced load distribution due to the flat washer design, reducing surface pressure and preventing damage to assembled materials
• Rigorous quality assurance through compliance with ASME B18.21.1 standards, guaranteeing dimensional accuracy and reliability
• Environmental and safety compliance with RoHS 3 and REACH regulations, ensuring safe use in various industrial applications
• Durable mechanical properties from 18-8 Stainless Steel, providing excellent strength and resistance to wear in demanding conditions
• Broad compatibility with inch-system fasteners, making it versatile for numerous mechanical and industrial assemblies

Professional Applications & Engineering Value

This SAE flat washer is engineered to address common challenges in industrial settings, such as corrosion-induced failure and uneven load distribution. Constructed from Black-Oxide 18-8 Stainless Steel, it offers exceptional resistance to rust and oxidation, making it suitable for outdoor, marine, or chemical-exposed applications. The precise flat washer design ensures even pressure spread, preventing bolt loosening and material deformation under vibration or heavy loads. Its compliance with ASME B18.21.1 standards ensures consistent dimensions and performance, reducing assembly errors and maintenance costs. Ideal for machinery, automotive, and construction projects, this washer enhances the longevity and reliability of industrial fastening systems.

Specification Summary & Compliance

This washer features an Inside Diameter (ID) of 0.531", Outside Diameter (OD) of 1.062", and Thickness ranging from 0.074" to 0.121", designed for use with 1/2" screw sizes in the inch system. It conforms to ASME B18.21.1 specifications, ensuring precise dimensional tolerances and manufacturing consistency. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety standards for hazardous substances.