S-97310A125 28 mm ID x 60 mm OD DIN 7349 Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance through zinc plating, extending service life in humid or outdoor industrial environments
• Superior load distribution with 60mm outer diameter, preventing surface damage and fastener loosening under high stress
• Precise M27 screw compatibility with 28mm inner diameter, ensuring secure fit and vibration resistance in heavy machinery
• Exceptional mechanical strength with Rockwell B76 hardness, maintaining dimensional stability under repeated loading cycles
• Standardized manufacturing quality per DIN 7349, guaranteeing interchangeability and reliability in European industrial applications
• Regulatory compliance assurance meeting RoHS 3 and REACH standards, enabling use in regulated industries without environmental concerns
• Optimized thickness tolerance (9.0-11.0mm) providing consistent performance and ease of installation in assembly line operations

Professional Applications & Engineering Value

This zinc-plated steel flat washer delivers critical engineering solutions for industrial applications requiring durable fastening systems. The M27 metric flat washer construction with DIN 7349 compliance ensures precise dimensional accuracy for heavy machinery assembly, construction equipment, and automotive manufacturing. The zinc-plated steel material provides essential corrosion protection in challenging environments, while the 60mm OD significantly increases bearing surface area to prevent joint failure. Engineers specify this heavy-duty washer for applications demanding reliable load distribution and long-term performance under dynamic loads, making it ideal for structural connections, equipment mounting, and high-vibration industrial settings where fastener integrity is paramount.

Specification Summary & Compliance

Manufactured to DIN 7349 standards with precise dimensional tolerances, this flat washer features 28mm inner diameter, 60mm outer diameter, and 9.0-11.0mm thickness range. The zinc-plated steel construction achieves Rockwell B76 hardness for consistent mechanical performance. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and unrestricted use across European markets and global industrial sectors requiring certified components.