S-95211A200 13 mm ID x 37 mm OD DIN 9021 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 from passivated 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Exceptional load distribution with a large 37mm outer diameter, minimizing surface pressure and preventing material damage
- Precise fit for M12 screws with a consistent 13mm inner diameter, ensuring secure fastening and alignment
- Enhanced mechanical durability provided by Rockwell B75 hardness, resisting deformation under heavy loads
- Guaranteed dimensional accuracy through compliance with DIN 9021 standards for reliable, interchangeable parts
- Long-term operational safety with full RoHS 3 and REACH compliance, free from hazardous substances
- Reliable performance in demanding applications due to controlled thickness (2.7-3.3 mm) for consistent spacing and vibration resistance
Professional Applications & Engineering Value
This M12 flat washer is engineered to address critical challenges in industrial settings where corrosion, high loads, and regulatory compliance are paramount. The passivated 316 stainless steel material offers excellent resistance to pitting and crevice corrosion, making it suitable for marine, chemical processing, and food industry applications. Its DIN 9021 specification ensures precise dimensional tolerances, providing a reliable seal and load-bearing surface that prevents bolt loosening and joint failure. The washer's robust design and Rockwell B75 hardness enable it to maintain integrity under sustained pressure, reducing maintenance frequency and downtime in heavy-duty machinery, structural assemblies, and outdoor infrastructure.
Specification Summary & Compliance
This metric flat washer conforms to DIN 9021 dimensional standards with an inner diameter of 13 mm, outer diameter of 37 mm, and thickness ranging from 2.7 to 3.3 mm. It is manufactured from passivated 316 stainless steel and meets Rockwell B75 hardness requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial use.
