S-97310A126 31 mm ID x 68 mm OD DIN 7349 Oversized Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
• Precise dimensional accuracy with 31mm ID and 68mm OD ensuring perfect fit for M30 screws and uniform load distribution
• Superior mechanical strength from Rockwell B76 hardness, preventing deformation under high-pressure applications
• Guaranteed reliability through strict DIN 7349 compliance, ensuring consistent performance in heavy-duty fastening
• Enhanced safety and durability with 9.0-11.0mm thickness, providing robust support for critical assemblies
• Environmental responsibility with full RoHS 3 and REACH compliance, meeting global regulatory standards
• Versatile industrial compatibility designed for metric systems, ideal for machinery, construction, and automotive sectors

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these M30 flat washers in zinc-plated steel deliver critical protection against loosening and surface damage. The DIN 7349 specification ensures precise geometry, distributing clamp load evenly to prevent joint failure in heavy-duty applications like structural steelwork, industrial machinery, and transportation equipment. With a Rockwell B76 hardness, they resist wear under repetitive stress, while the corrosion-resistant plating combats moisture and chemical exposure. This combination solves common issues of fastener fatigue and material degradation, providing long-term reliability in metric-based assembly systems where safety and durability are paramount.

Specification Summary & Compliance

This flat washer conforms to DIN 7349 dimensional standards with an inner diameter of 31mm, outer diameter of 68mm, and thickness tolerance of 9.0-11.0mm, ensuring precise fit for M30 screw sizes. Manufactured from zinc-plated steel with a hardness of Rockwell B76, it meets rigorous mechanical requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety protocols for industrial use.