S-90126A228 0.656" ID x 1.312" OD SAE Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with a 1.312" outer diameter to prevent surface damage and embedment in heavy-duty assemblies.
• Superior strength and reliability backed by Grade 8 classification, ensuring consistent performance under high stress and vibration.
• Enhanced corrosion resistance from the zinc-plated steel construction, extending service life in harsh or outdoor environments.
• Precise fit and secure fastening with a 0.656" inner diameter designed to fit 5/8" screws accurately, reducing loosening risks.
• Optimized hardness for durability with Rockwell C38 rating, providing excellent resistance to wear and deformation.
• Compliance with global environmental standards, including RoHS 3 and REACH, ensuring safe and sustainable use in regulated industries.
• Versatile SAE inch sizing for seamless integration with standard industrial components and replacement parts.

Professional Applications & Engineering Value

This SAE Grade 8 flat washer is engineered to address critical challenges in demanding applications, such as heavy machinery, construction equipment, and automotive assemblies. The zinc-plated steel material offers a protective barrier against moisture and chemicals, significantly reducing the risk of corrosion-induced failure. Its high-strength Grade 8 rating ensures it can handle extreme tensile and shear loads, preventing joint failure in high-vibration environments. The precise 5/8" screw size compatibility and flat design provide uniform clamping force distribution, which helps eliminate stress concentration points on connected surfaces. Ideal for industries where durability and regulatory compliance are non-negotiable, this washer delivers long-term reliability while meeting strict RoHS and REACH standards for environmental safety.

Specification Summary & Compliance

This flat washer adheres to SAE standards with an inner diameter of 0.656", outer diameter of 1.312", and thickness ranging from 0.074" to 0.121". It is manufactured from zinc-plated steel and achieves a Rockwell C38 hardness for consistent mechanical properties. The product conforms to Grade 8 strength requirements and is verified to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets international environmental and safety regulations for industrial use.