S-97310A127 3.2 mm ID x 9 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 with passivated 18-8 stainless steel construction for extended service life in harsh environments
- Precise dimensional accuracy compliant with DIN 7349 standards ensuring perfect fit with M3 fasteners
- Optimal load distribution with 9mm outer diameter protecting surfaces from damage and loosening
- Reliable chemical compatibility maintained through passivation surface treatment
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe industrial use
- Consistent thickness control (0.9-1.1mm) providing uniform spacing and vibration resistance
- Metric system compatibility for seamless integration into international engineering projects
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these M3 DIN 7349 flat washers deliver critical performance where corrosion resistance and dimensional precision are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against chemical exposure and atmospheric corrosion, making them ideal for chemical processing equipment, marine applications, and food machinery where moisture and aggressive substances are present. The precise 3.2mm inner diameter ensures secure seating on M3 fasteners while the 9mm outer diameter effectively distributes clamping force, preventing surface damage and maintaining joint integrity under vibration and thermal cycling. These metric flat washers solve common engineering challenges of galvanic corrosion, material degradation, and fastener loosening in critical assemblies.
Specification Summary & Compliance
Manufactured to DIN 7349 specifications with precise dimensional tolerances, featuring 3.2mm inner diameter, 9mm outer diameter, and 0.9-1.1mm thickness range. Constructed from passivated 18-8 stainless steel for optimal corrosion resistance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications while maintaining mechanical performance and reliability standards.
