S-91144A124 17 mm ID x 30 mm OD DIN 6916, ISO 7416 Structural Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with 30mm outer diameter for superior surface coverage and reduced material stress
• Enhanced durability from Rockwell C45 hardened black steel construction resisting deformation under heavy loads
• Precise M16 compatibility with 17mm inner diameter ensuring perfect screw alignment and vibration resistance
• Industry-standard compliance meeting both DIN 6916 and ISO 7416 specifications for reliable international applications
• Optimal thickness control (3.7-4.3mm) providing consistent spacing and reliable performance in demanding environments
• Environmental responsibility with full RoHS 3 and REACH compliance for sustainable industrial operations
• Corrosion-resistant properties of black steel finish extending service life in harsh operating conditions

Professional Applications & Engineering Value

This M16 flat washer delivers critical engineering solutions for heavy-duty industrial applications where vibration management and load distribution are paramount. The black steel material with Rockwell C45 hardness provides exceptional resistance to embedding and deformation, making it ideal for structural steel connections, heavy machinery assembly, and construction applications. Compliant with both DIN 6916 and ISO 7416 standards, this metric flat washer ensures international compatibility and reliable performance in high-stress environments. The precise 17mm ID maintains proper M16 screw alignment while the 30mm OD effectively distributes clamping forces, preventing surface damage and maintaining joint integrity in demanding mechanical systems.

Specification Summary & Compliance

Manufactured to exacting DIN 6916 and ISO 7416 specifications with precise dimensional tolerances including 17mm inner diameter, 30mm outer diameter, and controlled thickness between 3.7-4.3mm. The black steel construction achieves Rockwell C45 hardness for superior mechanical properties. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety standards are met for industrial applications worldwide.