S-91100A329 17.1 mm ID x 49.6 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Enhanced load distribution with precision 49.6mm outer diameter to prevent surface damage and maintain joint integrity under Class 10.9 fastener loads
• Superior corrosion resistance through zinc-plated steel construction, extending service life in harsh industrial environments
• Precise M16 compatibility with 17.1mm inner diameter ensuring perfect fit and optimal force transmission
• Reliable dimensional stability maintaining consistent 2.7-3.3mm thickness for uniform pressure distribution
• Standardized performance through strict DIN 9021 compliance, guaranteeing interchangeability and engineering consistency
• Environmental compliance assurance with RoHS 3 and REACH adherence for global manufacturing applications
• Heavy-duty capability specifically engineered to withstand the demanding requirements of Class 10.9 fastener systems

Professional Applications & Engineering Value

This M16 flat washer delivers critical engineering solutions for industrial applications where load distribution and corrosion resistance are paramount. The zinc-plated steel construction provides essential protection against environmental degradation while maintaining the structural integrity required for Class 10.9 fasteners. Engineered to DIN 9021 standards, this washer prevents joint loosening and surface damage in heavy machinery, structural steel connections, and automotive assemblies. The precise dimensional control (17.1mm ID, 49.6mm OD) ensures optimal bearing surface contact, distributing clamp load effectively to prevent material deformation and maintain long-term joint stability in demanding industrial applications.

Specification Summary & Compliance

Manufactured to exact DIN 9021 specifications with precise dimensional tolerances: 17.1mm inner diameter, 49.6mm outer diameter, and 2.7-3.3mm thickness range. Constructed from zinc-plated steel for enhanced corrosion protection. Specifically designed for use with M16 Class 10.9 fasteners in high-strength applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial markets and restricted substance requirements.