S-91144A118 15 mm ID x 28 mm OD DIN 6916, ISO 7416 Structural Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance through hot-dipped galvanized steel construction, extending service life in harsh industrial environments
• Exceptional load distribution with precise 15mm ID and 28mm OD dimensions, preventing surface damage and joint loosening
• Optimized mechanical strength with Rockwell C45 hardness, maintaining structural integrity under high-stress applications
• Guaranteed dimensional accuracy through compliance with DIN 6916 and ISO 7416 standards, ensuring perfect fit with M14 fasteners
• Enhanced durability with 2.7-3.3mm thickness, providing reliable performance in heavy-duty mechanical assemblies
• Environmental compliance assurance meeting RoHS 3 and REACH regulations, enabling use in regulated industries
• Universal metric compatibility designed for global engineering specifications and replacement part standardization

Professional Applications & Engineering Value

This heavy-duty M14 flat washer delivers critical engineering solutions where corrosion resistance and structural reliability are paramount. The hot-dipped galvanized steel construction creates a protective zinc barrier that withstands moisture, chemicals, and outdoor exposure, significantly outperforming standard steel washers in aggressive environments. With precise 15mm internal diameter and 28mm external diameter dimensions conforming to DIN 6916 and ISO 7416 standards, it provides optimal surface coverage to prevent embedding, reduce bearing stress, and maintain bolt preload in structural steel connections, heavy machinery, and industrial equipment. The combination of Rockwell C45 hardness and substantial thickness ensures consistent performance in high-vibration applications, making it ideal for construction, automotive, and manufacturing sectors where fastener failure is not an option.

Specification Summary & Compliance

This metric flat washer features precise dimensional tolerances per DIN 6916 and ISO 7416 manufacturing specifications, with 15mm ID, 28mm OD, and 2.7-3.3mm thickness range ensuring exact compatibility with M14 fasteners. The product maintains full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety, meeting the latest 2023 SVHC requirements for industrial applications requiring environmental responsibility alongside mechanical performance.