S-97725A311 16.2 mm ID x 19.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity for reliable current transfer in electrical assemblies
• Enhanced corrosion resistance from cellulose-filled copper construction for long-term durability
• Precise dimensional fit with 16.2mm ID specifically designed for M16 screw applications
• DIN 7603 compliance ensures consistent quality and interchangeability in metric systems
• Environmentally responsible manufacturing with full RoHS 3 compliance
• Optimized sealing capability through controlled 1.8-2.2mm thickness range
• Reduced maintenance requirements through material stability in demanding environments

Professional Applications & Engineering Value

These cellulose-filled copper flat washers deliver critical performance advantages in electrical and automotive systems where conductivity and corrosion resistance are paramount. The unique material composition addresses common failure points in electrical connections by maintaining stable contact pressure while preventing galvanic corrosion. Engineered to DIN 7603 standards, these metric washers provide reliable sealing in fuel systems, electrical grounding applications, and high-temperature environments where traditional steel washers would deteriorate. The M16-specific sizing (16.2mm ID × 19.9mm OD) ensures perfect fitment in industrial equipment, eliminating loose connections that compromise system integrity.

Specification Summary & Compliance

Manufactured to DIN 7603 specifications with precise dimensions: 16.2mm internal diameter, 19.9mm outer diameter, and 1.8-2.2mm thickness range. These metric flat washers are engineered for M16 screw applications with RoHS 3 (2015/863/EU) compliance, ensuring they meet the latest environmental regulations for hazardous substance restrictions. The cellulose-filled copper material provides consistent performance while maintaining full regulatory compliance for international industrial applications.