S-90377A118 0.172" ID x 0.625" OD Oversized Washers
Oversized 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
- Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel, ideal for harsh environments and extending service life.
- Enhanced durability and load distribution due to Rockwell B68 hardness, reducing wear and preventing fastener loosening.
- Precise fit for No. 8 screws with 0.172" ID and 0.625" OD, ensuring secure assembly and minimizing misalignment.
- Consistent thickness control (0.050-0.080") for uniform pressure distribution and reliable performance in repetitive applications.
- Compliance with environmental regulations, including RoHS 3 and REACH, ensuring safe use in global markets.
- Excellent for inch-system applications, providing seamless integration with standard industrial equipment and reducing sourcing complexity.
- Long-term reliability in demanding settings, thanks to the material's resistance to oxidation and mechanical stress.
Professional Applications & Engineering Value
This Black-Oxide 18-8 Stainless Steel flat washer is engineered to address common industrial challenges such as corrosion-induced failure and uneven load distribution. The stainless steel material with a black-oxide finish provides exceptional protection against moisture and chemicals, making it suitable for demanding applications in marine, automotive, and outdoor equipment. Its precise 0.172" ID and 0.625" OD dimensions ensure a snug fit for No. 8 screws, reducing vibration and enhancing assembly integrity. By offering reliable performance in high-stress environments, this washer minimizes maintenance needs and supports long-term operational efficiency in industrial washers and fastener systems.
Specification Summary & Compliance
This flat washer adheres to inch-system standards with precise dimensions: ID 0.172", OD 0.625", and thickness ranging from 0.050" to 0.080". It is manufactured from 18-8 Stainless Steel with a hardness of Rockwell B68, ensuring consistent quality and performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.
