S-98687A121 33 mm ID x 56 mm OD DIN 126; ISO 7091 General Purpose Washers
General Purpose Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior load distribution with 56mm outer diameter to prevent surface damage and maintain joint integrity under high stress
- Exceptional vibration resistance thanks to Rockwell B52 hardness, reducing loosening in dynamic applications
- Precise M30 screw compatibility with 33mm inner diameter ensuring perfect fit and ease of installation
- Enhanced durability from high-quality steel construction, providing long service life in demanding environments
- Guaranteed dimensional accuracy through compliance with DIN 126 and ISO 7091 standards for reliable performance
- Safe for sensitive applications with full RoHS 3 and REACH compliance, meeting strict environmental regulations
- Optimized thickness range (3.4-4.6mm) providing ideal balance between spacing needs and structural stability
Professional Applications & Engineering Value
This M30 flat washer delivers critical engineering solutions for industrial applications where vibration resistance and load distribution are paramount. Manufactured from steel with Rockwell B52 hardness, it effectively prevents bolt loosening in machinery, construction equipment, and heavy-duty assemblies. The metric dimensions (33mm ID, 56mm OD) ensure precise fit with M30 screws, while the controlled thickness range maintains proper clamping force. Compliance with DIN 126 and ISO 7091 standards guarantees dimensional consistency across batches, reducing installation errors and maintenance costs in automotive, manufacturing, and structural applications where reliable fastening is critical.
Specification Summary & Compliance
This flat washer features precise metric dimensions with 33mm inner diameter, 56mm outer diameter, and 3.4-4.6mm thickness range. Manufactured to DIN 126 and ISO 7091 specifications, it ensures dimensional accuracy and interchangeability. The washer meets Rockwell B52 hardness requirements for consistent performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and regulatory adherence for industrial use worldwide.
