S-98687A125 45 mm ID x 78 mm OD DIN 126; ISO 7091 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution - 78mm outer diameter provides superior surface coverage to prevent surface damage and maintain joint integrity under heavy loads
• Precision Fit Guarantee - 45mm inner diameter ensures perfect alignment with M42 screws, eliminating installation errors and reducing assembly time
• Exceptional Durability - Rockwell B52 hardness steel construction withstands repeated stress and vibration without deformation
• Optimized Thickness Range - 5.8-8.2mm thickness variation accommodates different compression requirements while maintaining consistent performance
• International Standard Compliance - DIN 126 and ISO 7091 certification ensures global compatibility and reliable performance across industrial applications
• Environmental Responsibility - RoHS 3 and REACH compliance guarantees safe use in regulated industries and sustainable manufacturing practices
• Corrosion Resistance - Steel material provides excellent protection against environmental factors, extending service life in demanding conditions

Professional Applications & Engineering Value

This M42 flat washer delivers critical engineering solutions for industrial applications where vibration resistance and load distribution are paramount. The metric steel washer construction with precise 45mm ID and 78mm OD dimensions ensures optimal force distribution across bolted joints, preventing surface indentation and maintaining structural integrity in heavy machinery, construction equipment, and automotive assemblies. The Rockwell B52 hardness provides exceptional resistance to deformation under extreme pressure, while the DIN 126 and ISO 7091 standards guarantee dimensional accuracy for seamless integration with M42 fasteners. This industrial washer effectively solves common engineering challenges including joint loosening, surface damage, and premature fastener failure in high-stress environments.

Specification Summary & Compliance

This flat washer features precise dimensional tolerances per DIN 126 and ISO 7091 standards with 45mm inner diameter, 78mm outer diameter, and 5.8-8.2mm thickness range. Manufactured from steel with Rockwell B52 hardness, the product maintains strict compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial applications.