S-98688A145 19 mm ID x 34 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in harsh industrial environments
• Exceptional load distribution from precise 19mm ID and 34mm OD dimensions, preventing surface damage
• Consistent performance ensured by Rockwell C38 hardness for reliable mechanical strength
• Guaranteed dimensional accuracy through compliance with DIN 125 and ISO 7089 standards
• Environmental compliance meeting RoHS 3 and REACH regulations for safe industrial use
• Optimized thickness range (2.7-3.3mm) providing ideal compression and vibration resistance
• Perfect M18 screw compatibility for seamless integration in metric fastener assemblies

Professional Applications & Engineering Value

This M18 metric flat washer delivers critical engineering solutions for industrial applications where vibration resistance and corrosion protection are paramount. The zinc plated steel construction creates a protective barrier against moisture and chemicals, significantly extending component lifespan in demanding environments like machinery assembly, structural steelwork, and automotive manufacturing. With precise dimensional tolerances per DIN 125 and ISO 7089 standards, this washer ensures uniform load distribution across M18 fastener connections, preventing joint loosening and surface deformation. The Rockwell C38 hardness rating maintains structural integrity under repeated stress cycles, making it ideal for heavy-duty applications requiring reliable fastener performance and long-term operational stability.

Specification Summary & Compliance

This flat washer features precise metric dimensions with 19mm internal diameter, 34mm external diameter, and 2.7-3.3mm thickness range, manufactured to DIN 125 and ISO 7089 standards for dimensional accuracy and interchangeability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations (updated 06/14/2023, 235 SVHC), ensuring environmental safety and regulatory adherence for industrial procurement. Manufactured from zinc plated steel with Rockwell C38 hardness, it provides consistent mechanical properties suitable for M18 screw applications across various industrial sectors.