S-90313A232 0.281" ID x 1.625" 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 thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
- Precise fit for 1/4" screws with a 0.281" inner diameter, providing secure fastening and reducing assembly errors.
- Optimal load distribution from the large 1.625" outer diameter, minimizing surface pressure and preventing material damage.
- Consistent performance with a controlled thickness range of 0.060-0.090", ensuring uniform spacing and vibration resistance.
- Environmental compliance with RoHS 3 and REACH standards, making it safe for regulated industrial and commercial applications.
- Durable material properties offering excellent strength and wear resistance without the need for additional coatings.
- Versatile inch-system compatibility ideal for a wide range of machinery, equipment, and structural assemblies.
Professional Applications & Engineering Value
This 18-8 stainless steel flat washer is engineered to address common industrial challenges such as corrosion, vibration loosening, and surface damage under heavy loads. Its precise 0.281" ID ensures a snug fit on 1/4" screws, while the generous 1.625" OD effectively distributes clamping force, protecting sensitive materials from indentation or cracking. Ideal for industrial machinery, outdoor equipment, and commercial assemblies, the washer's stainless steel composition provides reliable performance in humid, chemical, or high-temperature environments, reducing maintenance costs and extending service life.
Specification Summary & Compliance
This flat washer conforms to standard inch dimensions with an inner diameter of 0.281", outer diameter of 1.625", and thickness ranging from 0.060" to 0.090", designed specifically for 1/4" screw applications. It is manufactured from 18-8 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
