S-91455A440 8.4 mm ID x 16 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with zinc-flake coating for extended service life in harsh industrial environments
• Precise M8 compatibility with 8.4mm inner diameter ensuring perfect fit and even load distribution
• Enhanced surface durability with Rockwell B91 hardness rating resisting deformation under pressure
• Reliable dimensional consistency meeting DIN 125 and ISO 7089 standards for interchangeability
• Environmental compliance assurance with RoHS 3 and REACH certifications for global supply chain integration
• Optimized load spreading through 16mm outer diameter design minimizing surface damage to components
• Consistent performance with 1.4-1.8mm thickness tolerance maintaining uniform clamping force

Professional Applications & Engineering Value

These zinc-flake coated steel flat washers deliver exceptional engineering value in demanding industrial applications where corrosion resistance and dimensional precision are critical. The M8 flat washer design conforms to DIN 125 and ISO 7089 standards, ensuring reliable performance in assembly lines, machinery manufacturing, and structural fastening systems. The advanced zinc-flake coating provides superior protection against galvanic corrosion and chemical exposure, significantly extending component lifespan while maintaining Rockwell B91 hardness for consistent load distribution. This combination of material excellence and standardized dimensions solves common challenges in vibration-prone environments, preventing loosening and surface damage to connected components.

Specification Summary & Compliance

Manufactured to precise dimensional tolerances with 8.4mm inner diameter, 16mm outer diameter, and 1.4-1.8mm thickness range. Fully compliant with DIN 125 and ISO 7089 standards for metric flat washers. Meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions. The zinc-flake coated steel construction ensures consistent performance across industrial applications while maintaining specified hardness characteristics.