S-98044A242 19 mm ID x 34 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity for reliable grounding and electrical connections in industrial systems
• Excellent corrosion resistance ensures long-term performance in harsh or humid environments
• Precise dimensional consistency with 19mm ID and 34mm OD for perfect fit with M18 fasteners
• Optimized load distribution with 2.7-3.3mm thickness to prevent surface damage and loosening
• Rockwell B35 hardness provides ideal balance between malleability and mechanical strength
• Full regulatory compliance with RoHS 3 and REACH standards for global market acceptance
• Dual-standard certification meeting both DIN 125 and ISO 7089 specifications for international projects

Professional Applications & Engineering Value

These M18 metric copper flat washers deliver critical performance advantages in demanding electrical and mechanical applications. The high-purity copper construction provides exceptional electrical conductivity essential for grounding systems, electrical panels, and power distribution equipment where reliable current flow is paramount. The material's natural corrosion resistance prevents degradation in industrial environments exposed to moisture, chemicals, or atmospheric elements. With precise dimensions conforming to DIN 125 and ISO 7089 standards, these washers ensure proper seating and uniform pressure distribution when used with M18 fasteners, preventing galvanic corrosion while maintaining consistent clamping force in assembly operations across automotive, electrical, and heavy machinery sectors.

Specification Summary & Compliance

This copper flat washer features precise metric dimensions with 19mm internal diameter, 34mm outer diameter, and 2.7-3.3mm thickness range. Manufactured to DIN 125 and ISO 7089 standards with Rockwell B35 hardness for optimal performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use in international markets. Designed specifically for M18 screw size applications requiring reliable electrical conductivity and corrosion resistance.