S-91100A354 13.1 mm ID x 36.6 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 with zinc-plated steel construction for extended service life in harsh industrial environments
- Optimal load distribution with 36.6mm outer diameter preventing surface damage and fastener embedment
- Precise M12 fastener compatibility with 13.1mm inner diameter ensuring secure fit and vibration resistance
- Enhanced mechanical performance specifically engineered for Class 8.8 strength grade fasteners
- Reliable dimensional stability with 2.7-3.3mm thickness range maintaining consistent pressure distribution
- Guaranteed standardization through DIN 9021 compliance for interchangeability across European equipment
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for global supply chain integration
Professional Applications & Engineering Value
These zinc-plated steel flat washers deliver critical engineering solutions for industrial assembly challenges. The M12-compatible DIN 9021 specification ensures perfect alignment with Class 8.8 fasteners, preventing loosening under dynamic loads while the zinc plating provides essential corrosion resistance in manufacturing, automotive, and construction applications. The precisely calibrated 36.6mm OD distributes clamping forces effectively across joined surfaces, eliminating stress concentration points that cause material fatigue. This metric flat washer combination of material durability and dimensional accuracy makes it ideal for machinery assembly, structural steel connections, and heavy equipment maintenance where vibration resistance and long-term reliability are paramount.
Specification Summary & Compliance
Manufactured to DIN 9021 standards with critical dimensions including 13.1mm ID, 36.6mm OD, and 2.7-3.3mm thickness range. Compatible with M12 Class 8.8 fasteners and certified compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring unrestricted use across international industrial markets.
