S-94630A217 13.5 mm ID x 30 mm OD DIN 7349 Oversized Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution - The 30mm outer diameter provides a wider bearing surface, reducing surface pressure and preventing damage to assembled components
• Precision Metric Sizing - 13.5mm inner diameter ensures perfect fit for M12 screws, eliminating play and maintaining alignment in critical applications
• Durable Steel Construction - Manufactured from high-quality steel for reliable performance and long service life in demanding industrial environments
• Standardized Compliance - DIN 7349 certification guarantees consistent dimensions and mechanical properties across all production batches
• Environmental Responsibility - RoHS 3 and REACH compliance ensures safe use in regulated industries and international markets
• Versatile Thickness Range - 2.0-2.9mm thickness accommodates varying clearance requirements while maintaining structural integrity
• Corrosion Resistance - Steel material provides inherent protection against environmental factors, extending component lifespan

Professional Applications & Engineering Value

This M12 flat washer delivers critical engineering solutions through its DIN 7349 compliant design and metric steel construction. The precisely calculated 30mm OD and 13.5mm ID work in concert to solve common assembly challenges by distributing clamp load evenly across fastened surfaces, preventing stress concentration that leads to material deformation. In automotive, machinery, and structural applications, the steel washer's consistent 2.0-2.9mm thickness range accommodates minor surface irregularities while maintaining bolt tension. The flat washer design specifically addresses vibration-induced loosening by increasing friction area, making it ideal for dynamic load environments where metric hardware reliability is paramount. Its corrosion resistant properties ensure performance stability in industrial settings exposed to moisture and temperature variations.

Specification Summary & Compliance

This precision metric steel washer features exact dimensional specifications: 13.5mm inner diameter, 30mm outer diameter, and thickness ranging from 2.0-2.9mm, engineered specifically for M12 screw applications. Manufacturing adheres strictly to DIN 7349 standards, ensuring consistent quality and dimensional accuracy. The product maintains full compliance with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) requirements current as of June 14, 2023, including 235 SVHC substances, making it suitable for global industrial markets with stringent environmental regulations.