S-98026A522 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
- Enhanced corrosion protection with zinc yellow-chromate plating for extended service life in harsh industrial environments
- Optimal load distribution across fastener assemblies, preventing surface damage and maintaining joint integrity
- Precision dimensional compliance with DIN 9021 standards ensuring reliable fit with M12 Class 10.9 fasteners
- Superior material strength from plated steel construction, engineered for high-stress applications
- Environmental regulation compliance meeting RoHS 3 and REACH requirements for safe global sourcing
- Consistent thickness tolerance (2.7-3.3mm) providing uniform pressure distribution and assembly reliability
- Broad industrial compatibility with metric fastener systems across machinery, construction, and automotive sectors
Professional Applications & Engineering Value
These M12 flat washers deliver critical engineering solutions where load distribution and corrosion resistance are paramount. The zinc yellow-chromate plated steel construction creates a durable barrier against oxidation and chemical exposure, significantly extending maintenance intervals in outdoor, marine, or chemical processing applications. Precision-manufactured to DIN 9021 specifications with 13.1mm ID and 36.6mm OD dimensions, these washers prevent bolt head embedding and surface damage when used with Class 10.9 fasteners in high-torque assemblies. The consistent 2.7-3.3mm thickness ensures uniform clamping force distribution across structural joints, reducing stress concentration points in heavy machinery, automotive chassis, and industrial equipment where vibration resistance and long-term reliability are essential.
Specification Summary & Compliance
Manufactured to DIN 9021 dimensional standards with precise internal diameter (13.1mm), outer diameter (36.6mm), and thickness range (2.7-3.3mm) for compatibility with M12 fastener systems. Constructed from zinc yellow-chromate plated steel for corrosion protection. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across global industrial markets.
