S-90965A140 3.7 mm ID x 8 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine and chemical applications
• Precise dimensional accuracy with 3.7mm ID and 8mm OD ensures perfect fit and even load distribution for M3.5 screws
• Enhanced durability and longevity from consistent 0.4-0.6mm thickness, reducing wear and maintenance costs
• Reliable standardization with compliance to DIN 125 and ISO 7089, guaranteeing interchangeability and quality
• Environmental and safety compliance through RoHS 3 and REACH adherence, meeting strict industry regulations
• Broad industrial applicability for machinery, marine equipment, and chemical processing due to material and design excellence
• Cost-effective performance by minimizing galvanic corrosion and extending assembly life in demanding conditions

Professional Applications & Engineering Value

These 316 stainless steel flat washers are engineered to address critical challenges in corrosive and high-moisture environments, such as marine, chemical processing, and outdoor industrial settings. The M3.5 metric washer design, conforming to DIN 125 and ISO 7089 standards, ensures precise alignment and load distribution, preventing bolt loosening and surface damage. The 3.7mm ID and 8mm OD dimensions with controlled thickness provide consistent performance under vibration and thermal stress, reducing assembly failures. By utilizing corrosion-resistant 316 stainless steel, these washers effectively combat pitting and crevice corrosion, making them indispensable for industrial washers in sectors requiring long-term reliability and minimal maintenance, thereby enhancing operational safety and efficiency.

Specification Summary & Compliance

This flat washer features precise metric dimensions: 3.7mm internal diameter, 8mm outer diameter, and 0.4-0.6mm thickness, designed for M3.5 screw size. It meets DIN 125 and ISO 7089 specifications, ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for hazardous substance restrictions.