S-91144A115 25 mm ID x 44 mm OD DIN 6916, ISO 7416 Structural Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with hot-dipped galvanized steel coating, ensuring long-term reliability in harsh industrial environments
• Superior load distribution thanks to the 44mm outer diameter, minimizing surface pressure and preventing joint loosening
• Precise fit for M24 screws with a 25mm inner diameter, providing secure fastening and reducing installation errors
• Enhanced durability from Rockwell C45 hardness, offering excellent wear resistance and maintaining performance under heavy loads
• Guaranteed dimensional accuracy through compliance with DIN 6916 and ISO 7416 standards, ensuring consistent quality and interchangeability
• Environmental and workplace safety with full RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances
• Robust construction with a thickness of 3.7-4.3mm, delivering reliable performance in demanding applications

Professional Applications & Engineering Value

This M24 flat washer is engineered to address critical challenges in heavy-duty industrial settings, where corrosion, vibration, and high loads can compromise fastener integrity. The hot-dipped galvanized steel material provides a thick, adherent zinc coating that effectively resists rust and chemical exposure, extending service life in outdoor or corrosive environments like construction, machinery, and infrastructure projects. Its compliance with DIN 6916 and ISO 7416 standards ensures precise dimensions and consistent performance, reducing the risk of assembly failures. The washer's design optimizes load distribution, preventing surface damage and maintaining bolt tension in industrial applications such as structural steel connections, automotive assemblies, and equipment manufacturing, where reliability and safety are paramount.

Specification Summary & Compliance

This metric flat washer adheres to strict dimensional tolerances as per DIN 6916 and ISO 7416 standards, with an inner diameter of 25mm, outer diameter of 44mm, and thickness ranging from 3.7 to 4.3mm. It is manufactured from hot-dipped galvanized steel with a hardness of Rockwell C45, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in environments requiring adherence to environmental and health standards.