S-94768A110 21 mm ID x 35 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 thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
- Exceptional load distribution with a 35mm outer diameter, protecting M20 screw assemblies from surface damage and loosening.
- Optimized thickness tolerance (4.5-5.4mm) provides consistent spacing and secure fastening in demanding applications.
- High material hardness (Rockwell B83) resists deformation under heavy loads, maintaining structural integrity.
- Full compliance with RoHS 3 and REACH regulations guarantees safety and environmental responsibility for industrial use.
- Precise 21mm inner diameter ensures a perfect fit for M20 screws, simplifying installation and reducing assembly time.
- Durable metric design offers reliable performance in machinery, construction, and automotive systems.
Professional Applications & Engineering Value
This M20 flat washer is engineered from 18-8 stainless steel to address common industrial challenges like corrosion, vibration, and load stress. Its robust metric dimensions (21mm ID, 35mm OD) and controlled thickness provide even pressure distribution, preventing bolt loosening and surface indentation in heavy-duty applications. The corrosion-resistant material ensures longevity in exposed or humid conditions, such as outdoor machinery, marine equipment, and chemical processing plants. By combining high Rockwell B83 hardness with precise tolerances, this washer reduces maintenance needs and enhances the durability of M20 screw assemblies, making it a cost-effective solution for engineers and procurement specialists.
Specification Summary & Compliance
This flat washer meets standard metric dimensions with an inner diameter of 21mm, outer diameter of 35mm, and thickness range of 4.5-5.4mm, designed for use with M20 screws. 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 environmental and safety standards for industrial components.
