S-97310A132 8.4 mm ID x 21 mm OD DIN 7349 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 passivated 18-8 stainless steel construction, ensuring longevity in harsh environments
- Precise dimensional fit with 8.4mm inner diameter and 21mm outer diameter, providing reliable seating for M8 screws
- Enhanced load distribution due to flat washer design, reducing surface pressure and preventing component damage
- Strict compliance with DIN 7349 standards guaranteeing consistent quality and interchangeability
- Environmental and safety adherence with RoHS 3 and REACH compliance, suitable for regulated industries
- Durable material properties offering excellent strength and wear resistance for repeated use
- Broad industrial applicability from machinery assembly to structural fastening, thanks to metric sizing and robust build
Professional Applications & Engineering Value
This M8 flat washer is engineered to address common industrial challenges such as corrosion-induced failure and uneven load distribution. Crafted from passivated 18-8 stainless steel, it provides exceptional resistance to rust and chemical exposure, making it ideal for outdoor, marine, or chemical processing equipment. The precise metric dimensions (8.4mm ID, 21mm OD) ensure a secure fit with M8 screws, minimizing loosening under vibration and distributing clamp load effectively to protect sensitive surfaces. Adherence to DIN 7349 standards ensures reliability in high-stress applications, from automotive assemblies to industrial machinery, where consistent performance and corrosion resistance are critical for reducing maintenance costs and downtime.
Specification Summary & Compliance
This washer meets DIN 7349 specifications for dimensional accuracy, with an inner diameter of 8.4 mm, outer diameter of 21 mm, and thickness ranging from 3.7 to 4.3 mm. It is manufactured from passivated 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.
