S-90313A315 0.812" ID x 3" 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
- Exceptional corrosion resistance from 18-8 stainless steel material, ideal for harsh industrial environments and outdoor applications.
- Heavy-duty load distribution with a large 3" outer diameter, reducing surface pressure and preventing material damage.
- Precise fit for 3/4" screws with a 0.812" inner diameter, ensuring secure fastening and minimizing loosening under vibration.
- Durable construction with a thickness of 0.365-0.397", providing reliable performance in high-stress assemblies.
- Full regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in global industrial supply chains.
- Versatile inch system compatibility, making it easy to integrate with existing machinery and standard components.
Professional Applications & Engineering Value
This 18-8 stainless steel flat washer is engineered to address common industrial challenges such as fastener corrosion, surface damage, and assembly failure. Its robust 3" OD and precise 0.812" ID provide superior load distribution, protecting sensitive surfaces from indentation and reducing stress concentration. Made from corrosion-resistant stainless steel, it excels in demanding environments like chemical processing, marine equipment, and structural frameworks, where moisture and chemicals are prevalent. The washer’s consistent thickness ensures reliable performance in heavy-duty applications, preventing bolt loosening and maintaining joint integrity. Its compliance with RoHS and REACH makes it a trusted choice for OEMs and MRO professionals seeking durable, regulation-compliant fastening solutions.
Specification Summary & Compliance
This flat washer features an inner diameter of 0.812", outer diameter of 3", and thickness range of 0.365-0.397", designed for use with 3/4" screws in the inch measurement system. Manufactured from 18-8 stainless steel, it offers reliable dimensional accuracy suitable for standard industrial assemblies. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial components.
