S-98687A124 42 mm ID x 72 mm OD DIN 126; ISO 7091 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution - 72mm outer diameter provides superior surface coverage, reducing stress and preventing surface damage in demanding applications
• Precision Fitment Guaranteed - 42mm inner diameter ensures exact compatibility with M39 screws, eliminating play and maintaining alignment
• Exceptional Durability - High-strength steel construction with Rockwell B52 hardness withstands heavy loads and repeated use without deformation
• Reliable Performance Standards - DIN 126 and ISO 7091 compliance ensures consistent quality and interchangeability across industrial applications
• Optimal Thickness Range - 5.0-7.0mm thickness provides ideal compression characteristics while maintaining structural integrity
• Environmental Compliance Ready - RoHS 3 and REACH compliance makes these washers suitable for regulated industries and international projects
• Metric System Optimization - Specifically designed for metric fastening systems, ensuring seamless integration with European and international equipment

Professional Applications & Engineering Value

This M39 metric flat washer delivers critical engineering solutions for industrial applications where vibration resistance and load distribution are paramount. The high-strength steel construction with Rockwell B52 hardness ensures these washers maintain their structural integrity under heavy compressive loads, preventing bolt loosening and joint failure in machinery, structural steel connections, and heavy equipment assemblies. The precise 42mm ID and 72mm OD dimensions, manufactured to DIN 126 and ISO 7091 standards, guarantee perfect fitment with M39 fasteners, eliminating misalignment issues that can compromise assembly integrity. These flat washers are particularly valuable in construction, manufacturing, and automotive applications where consistent performance and regulatory compliance are essential for project success and safety certification.

Specification Summary & Compliance

This metric flat washer features precise dimensional specifications with 42mm inner diameter, 72mm outer diameter, and 5.0-7.0mm thickness range, ensuring exact fitment for M39 screw applications. Manufactured in compliance with DIN 126 and ISO 7091 international standards, guaranteeing dimensional accuracy and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations (updated 01/17/2023, 233 SVHC), making it suitable for environmentally regulated industries and international projects requiring certified components.