S-91144A112 17 mm ID x 30 mm OD DIN 6916, ISO 7416 Structural Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with hot-dipped galvanized steel coating, ensuring long-term reliability in harsh industrial environments
• Exceptional load distribution with precise 17mm ID and 30mm OD dimensions, preventing surface damage and maintaining joint integrity
• Enhanced durability from Rockwell C45 hardness, providing consistent performance under high-stress applications
• Guaranteed dimensional accuracy through compliance with DIN 6916 and ISO 7416 standards, ensuring perfect fit with M16 screws
• Regulatory compliance with RoHS 3 and REACH standards, making it suitable for global industrial supply chains
• Optimized thickness range (3.7-4.3mm) for balanced flexibility and strength in heavy-duty fastening assemblies
• Reliable material integrity from hot-dipped galvanization process, offering uniform protection against rust and chemical exposure

Professional Applications & Engineering Value

This M16 flat washer delivers critical engineering value in demanding applications where vibration resistance and corrosion protection are paramount. Manufactured from hot-dipped galvanized steel, it solves common industrial pain points like fastener degradation in outdoor construction, machinery assembly, and structural steel connections. The DIN 6916 and ISO 7416 certification ensures precise dimensional tolerances that prevent loosening under dynamic loads, while the Rockwell C45 hardness maintains surface integrity against embedding and deformation. Ideal for bridge construction, heavy equipment manufacturing, and industrial plant maintenance, this metric flat washer provides reliable performance where standard washers fail, significantly extending service life in corrosive environments.

Specification Summary & Compliance

This washer maintains precise dimensional tolerances per DIN 6916 and ISO 7416 standards with 17mm inner diameter, 30mm outer diameter, and 3.7-4.3mm thickness range. Manufactured from hot-dipped galvanized steel with Rockwell C45 hardness, it demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability for industrial procurement requirements.