S-90449A150 8 mm ID x 12 mm OD DIN 7603 Hard Fiber Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with fiber material that effectively prevents fluid and gas leakage in industrial assemblies
• Excellent electrical insulation properties to protect against short circuits and electrical interference in sensitive applications
• Precise dimensional compatibility with 8mm ID perfectly matching M8 screw sizes for secure, vibration-resistant fastening
• Optimized load distribution through 12mm OD design that prevents surface damage and maintains joint integrity
• Consistent performance durability with Rockwell R50 hardness ensuring long-term reliability under compression and environmental stress
• Regulatory compliance assurance meeting DIN 7603 standards for quality and European environmental directives for safe usage
• Corrosion-resistant properties of fiber material making these washers ideal for humid or chemically challenging environments

Professional Applications & Engineering Value

These M8 metric flat fiber washers deliver critical engineering solutions where traditional metal washers fall short. The fiber construction provides inherent advantages in electrical applications, serving as reliable insulation washers that prevent current leakage and protect sensitive electronic components. In mechanical assemblies, they function as effective sealing washers that compensate for surface irregularities while resisting compression set. The 0.8mm thickness and Rockwell R50 hardness create the perfect balance between conformability and structural integrity, ensuring consistent performance in automotive, electrical enclosure, and plumbing applications where vibration damping and fluid sealing are paramount. Their compliance with DIN 7603 guarantees dimensional precision and quality consistency across production batches.

Specification Summary & Compliance

This flat fiber washer features precise metric dimensions of 8mm inner diameter, 12mm outer diameter, and 0.8mm thickness, engineered to DIN 7603 standards for dimensional accuracy and performance reliability. The washer demonstrates Rockwell R50 hardness for optimal compression resistance and is manufactured specifically for M8 screw sizes. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and restricted substance adherence for global industrial applications.