S-90126A202 0.25" ID x 0.562" OD SAE Washers

Key Features & Benefits at a Glance

• Exceptional strength and load distribution with Grade 8 classification, ideal for high-stress industrial applications
• Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments
• Precise dimensional fit with 0.25" ID and 0.562" OD, ensuring proper alignment and secure fastening for No. 12 screws
• Enhanced durability and wear resistance through Rockwell C38 hardness rating, maintaining performance under repeated use
• Optimal thickness range (0.051-0.080") for balanced spacing and pressure distribution in assembly applications
• Compliance with environmental regulations including RoHS 3 and REACH, meeting global manufacturing standards
• SAE standard compatibility ensuring reliable performance and interchangeability in inch-based fastener systems

Professional Applications & Engineering Value

These Grade 8 SAE flat washers deliver critical engineering solutions where high strength and corrosion resistance are paramount. The zinc yellow-chromate plated steel construction provides exceptional protection against environmental degradation, making them ideal for outdoor equipment, automotive assemblies, and industrial machinery exposed to moisture and chemicals. With precise 0.25" ID and 0.562" OD dimensions, these washers ensure perfect fitment for No. 12 screw applications, preventing loosening and distributing clamp load effectively. The Rockwell C38 hardness guarantees maintained flatness and surface integrity under extreme pressure, while the SAE standard design ensures compatibility across inch-system fastening applications in manufacturing, construction, and heavy equipment maintenance.

Specification Summary & Compliance

Manufactured to SAE standards with precise dimensional tolerances, these flat washers feature 0.25" inner diameter and 0.562" outer diameter with thickness ranging from 0.051-0.080". The Grade 8 classification ensures high tensile strength performance, while the Rockwell C38 hardness provides consistent mechanical properties. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and regulatory adherence for global industrial applications.