S-90126A212 0.656" ID x 1.312" OD SAE Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution: With a 1.312" outer diameter, this washer spreads pressure evenly to prevent surface damage and extend joint life in heavy-duty assemblies.
• Superior Corrosion Resistance: Zinc-plated steel construction provides reliable protection against rust and environmental degradation, ideal for harsh industrial settings.
• Precision Fit for 5/8" Screws: 0.656" inner diameter ensures accurate alignment and secure fastening, reducing installation errors and improving assembly efficiency.
• High-Strength Grade 5 Material: Offers excellent mechanical durability and fatigue resistance, supporting demanding applications without premature failure.
• Compliance with Environmental Standards: RoHS 3 and REACH compliant, ensuring safe, eco-friendly use in global supply chains and regulated industries.
• SAE Inch System Compatibility: Designed to meet SAE standards for seamless integration with existing inch-based fastener systems and equipment.
• Versatile Thickness Range (0.074-0.121"): Accommodates slight variations in assembly gaps, providing flexibility and reliable performance under dynamic loads.

Professional Applications & Engineering Value

This SAE flat washer in zinc-plated steel addresses common engineering challenges like galvanic corrosion and joint loosening in industrial environments. Its robust Grade 5 material and precise dimensions (0.656" ID x 1.312" OD) ensure consistent load distribution, preventing bolt head embedding and surface deformation in machinery, automotive, and construction assemblies. The flat design and inch system compatibility simplify maintenance and reduce downtime, while the corrosion-resistant zinc plating extends service life in outdoor or humid conditions, making it a reliable choice for heavy-duty washers in B2B procurement.

Specification Summary & Compliance

This washer adheres to SAE standards with an inner diameter of 0.656", outer diameter of 1.312", and thickness range of 0.074-0.121" for precise fit with 5/8" screws. Manufactured from zinc-plated steel and classified under Grade 5 for strength, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory alignment in industrial applications.