S-90474A126 0.203" ID x 0.406" OD ASME B18.21.1 ASME Washers
ASME Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional load distribution with precise 0.203" ID and 0.406" OD dimensions, preventing surface damage and loosening under high stress.
- Superior corrosion resistance from zinc yellow-chromate plating, ensuring long-term reliability in harsh industrial environments.
- High-strength performance with Grade 8 classification and Rockwell C38 hardness, capable of withstanding extreme mechanical loads.
- Guaranteed dimensional accuracy through compliance with ASME B18.21.1 standards, ensuring consistent fit and function.
- Environmental and safety compliance with RoHS 3 and REACH regulations, making it suitable for global supply chains.
- Optimized for No. 10 screws, providing secure fastening in heavy-duty assemblies without slippage.
- Durable material construction from plated steel, offering excellent wear resistance and extended service life.
Professional Applications & Engineering Value
This Grade 8 flat washer is engineered to address critical challenges in heavy-duty applications, such as machinery, automotive, and construction assemblies. The zinc yellow-chromate plated steel material combats corrosion and oxidation, reducing maintenance costs and downtime in humid or chemically exposed settings. Its Rockwell C38 hardness ensures it maintains integrity under repetitive stress and vibration, preventing fastener failure. By adhering to ASME B18.21.1 specifications, it delivers precise inch system compatibility, ideal for No. 10 screw installations where uniform load distribution is essential to avoid joint fatigue and enhance structural stability.
Specification Summary & Compliance
This washer features an inner diameter of 0.203", outer diameter of 0.406", and thickness range of 0.036-0.045", manufactured to ASME B18.21.1 standards for dimensional precision. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for industrial use worldwide.
