S-91455A130 8.4 mm ID x 16 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating that protects against rust and extends service life in demanding environments
• Exceptional load distribution thanks to precise 16mm OD and 1.4-1.8mm thickness, preventing surface damage and loosening under vibration
• Reliable hardness performance with Rockwell B91 rating ensuring consistent durability and resistance to deformation under pressure
• Guaranteed dimensional accuracy with 8.4mm ID perfectly sized for M8 screws, enabling quick installation and secure fit
• Global compliance assurance meeting DIN 125 and ISO 7089 standards for interchangeability in international projects
• Environmental responsibility with full RoHS 3 and REACH compliance, safe for regulated industrial applications
• Cost-effective maintenance through long-lasting zinc plated steel construction that reduces replacement frequency

Professional Applications & Engineering Value

Engineered for industrial fastening systems, these M8 flat washers provide critical solutions where vibration resistance and corrosion prevention are paramount. The zinc plated steel construction creates a protective barrier against moisture and chemicals, significantly reducing failure risks in machinery, automotive assemblies, and outdoor structures. With metric dimensions adhering to DIN 125 and ISO 7089, they ensure perfect compatibility with M8 screws in pan-European and global equipment manufacturing. The controlled 1.4-1.8mm thickness and 16mm OD optimize surface contact area, distributing clamp load evenly to prevent joint fatigue—a common pain point in high-stress applications. This combination of material integrity and precision engineering delivers reliable performance in assembly lines, construction projects, and heavy-duty equipment maintenance.

Specification Summary & Compliance

This flat washer features precise metric dimensions: 8.4mm Internal Diameter, 16mm Outer Diameter, and 1.4-1.8mm Thickness range. Manufactured to DIN 125 and ISO 7089 standards, ensuring dimensional consistency and interchangeability. Material hardness is certified at Rockwell B91 for mechanical reliability. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety for industrial procurement.