S-93849A112 31 mm ID x 44 mm 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 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
- Exceptional load distribution from the 44mm OD and 3.5-4.4mm thickness, preventing surface damage and joint loosening under heavy loads
- Precise M30 screw compatibility with 31mm ID, ensuring secure fit and reliable performance in mechanical assemblies
- Enhanced durability thanks to Rockwell B83 hardness, maintaining structural integrity under repeated stress and vibration
- Full regulatory compliance with RoHS 3 and REACH standards, guaranteeing safe use in regulated industries and international markets
- Long-term cost efficiency through stainless steel's resistance to rust and degradation, reducing replacement frequency and maintenance costs
Professional Applications & Engineering Value
This M30 flat washer delivers critical engineering value by addressing common industrial challenges like corrosion-induced failure and load instability. Manufactured from 18-8 stainless steel, it provides excellent resistance to moisture, chemicals, and temperature variations, making it suitable for demanding sectors such as marine equipment, chemical processing plants, and construction machinery. The metric dimensions (31mm ID, 44mm OD) and controlled thickness ensure uniform pressure distribution, preventing bolt loosening and surface indentation in heavy-duty applications. Its compliance with environmental regulations further supports seamless integration into global supply chains, offering reliability where safety and longevity are paramount.
Specification Summary & Compliance
This flat washer meets precise metric dimensional standards with an inner diameter of 31mm, outer diameter of 44mm, and thickness range of 3.5-4.4mm, designed for M30 screw sizes. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B83, ensuring consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to strict environmental and safety standards for industrial components.
