S-91144A128 28 mm ID x 50 mm OD DIN 6916, ISO 7416 Structural Washers
Structural 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
- Exceptional Load Distribution with 50mm outer diameter to prevent surface damage and maintain joint integrity under heavy loads
- Superior Durability from Rockwell C45 hardened black steel ensuring long service life in demanding environments
- Precision Fit with 28mm inner diameter specifically engineered for M27 screw applications
- Enhanced Stability through 4.4-5.6mm thickness range providing optimal compression resistance
- International Compliance meeting both DIN 6916 and ISO 7416 standards for global project compatibility
- Environmental Responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices
- Corrosion Resistance from black steel construction suitable for various industrial conditions
Professional Applications & Engineering Value
This heavy-duty M27 flat washer delivers critical engineering solutions for industrial applications where vibration resistance and load distribution are paramount. The black steel construction with Rockwell C45 hardness provides exceptional durability against wear and deformation in high-stress environments. Engineered to DIN 6916 and ISO 7416 standards, this metric flat washer ensures precise compatibility with M27 fasteners in structural steel connections, heavy machinery assembly, and construction applications. The optimized thickness range of 4.4-5.6mm prevents joint loosening while maintaining consistent clamping force, making it ideal for industrial washers applications requiring reliable performance under dynamic loading conditions.
Specification Summary & Compliance
Manufactured to precise dimensional tolerances per DIN 6916 and ISO 7416 standards with 28mm inner diameter and 50mm outer diameter specifications. The black steel material achieves Rockwell C45 hardness for consistent mechanical properties. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, including the latest SVHC requirements as of January 17, 2023. Designed specifically for M27 screw applications with thickness tolerance maintained between 4.4-5.6mm for reliable performance in industrial fastening systems.
