S-97725A309 14.2 mm ID x 19.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity ensures reliable current flow in electrical assemblies and grounding systems
• Excellent corrosion resistance from cellulose-filled copper material extends service life in harsh environments
• Precise dimensional compliance with DIN 7603 standards guarantees perfect fit for M14 screw applications
• Environmentally safe construction with RoHS 3 compliance meets strict international regulatory requirements
• Optimized thickness range (1.8-2.2mm) provides consistent compression and sealing performance
• Durable cellulose-copper composite maintains structural integrity under repeated assembly cycles
• Metric system compatibility ensures seamless integration with international engineering specifications

Professional Applications & Engineering Value

These M14 metric flat washers deliver exceptional performance in demanding electrical and industrial applications where reliable conductivity and environmental resistance are critical. The unique cellulose-filled copper construction provides superior electrical properties while maintaining mechanical strength, making them ideal for electrical panels, power distribution systems, and grounding connections. Their DIN 7603 compliance ensures dimensional precision that prevents loosening and maintains consistent clamping force in M14 fastener assemblies. The material's inherent corrosion resistance protects against degradation in humid or chemically aggressive environments, solving common failure points in industrial electrical systems and extending maintenance intervals for reduced downtime.

Specification Summary & Compliance

This flat washer features precise dimensions of 14.2mm inner diameter, 19.9mm outer diameter, and 1.8-2.2mm thickness range, manufactured to DIN 7603 standards for metric washers. The product maintains dimensional tolerances appropriate for Class 2A thread fits and is fully RoHS 3 (2015/863/EU) compliant, meeting international environmental regulations for hazardous substance restrictions. Manufacturing follows established industrial specifications for cellulose-filled copper washers, ensuring consistent quality and performance in professional applications.