S-98687A117 22 mm ID x 37 mm OD DIN 126; ISO 7091 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution – 37mm outer diameter provides superior surface coverage to prevent joint loosening and material damage
• Precision M20 Compatibility – 22mm internal diameter ensures perfect fit with M20 screws for secure fastening applications
• Exceptional Durability – Steel construction with Rockwell B52 hardness maintains structural integrity under heavy loads
• International Standard Compliance – Manufactured to both DIN 126 and ISO 7091 specifications for global project acceptance
• Optimized Thickness Range – 2.4-3.6mm thickness provides flexibility while maintaining consistent pressure distribution
• Environmental Responsibility – Full RoHS 3 and REACH compliance ensures safe use in regulated industrial environments
• Metric System Ready – Designed for metric fastening systems to streamline international manufacturing processes

Professional Applications & Engineering Value

This heavy-duty flat washer addresses critical engineering challenges in industrial assembly where vibration resistance and load distribution are paramount. The steel construction with Rockwell B52 hardness provides exceptional resistance to deformation under constant pressure, making it ideal for machinery, structural steel connections, and automotive applications. The precise metric dimensions (22mm ID, 37mm OD) ensure perfect alignment with M20 screws, preventing bolt loosening in high-vibration environments. Compliance with both DIN 126 and ISO 7091 standards guarantees interchangeability and reliability across European and international projects, while the controlled thickness variation accommodates minor surface irregularities without compromising clamping force.

Specification Summary & Compliance

This flat washer features precise metric dimensions with 22mm internal diameter, 37mm outer diameter, and thickness ranging 2.4-3.6mm, engineered specifically for M20 screw applications. Manufactured in compliance with DIN 126 and ISO 7091 standards, ensuring dimensional accuracy and performance consistency. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions, making it suitable for environmentally conscious industrial operations worldwide.