S-97725A860 18.2 mm ID x 23.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from aluminum construction, ideal for harsh environments like marine and chemical applications
• Lightweight design reduces overall assembly weight without compromising load distribution capabilities
• Precision dimensional compliance with DIN 7603 standard ensures perfect fit for M18 screw sizes
• Optimized load distribution through 23.9mm outer diameter protects sensitive surfaces from damage
• Reliable sealing performance with 1.3-1.7mm thickness range accommodates minor surface irregularities
• Excellent electrical conductivity maintains grounding and electrical continuity in assemblies
• Cost-effective solution combining aluminum's durability with metric standardization for industrial applications

Professional Applications & Engineering Value

This M18 metric aluminum flat washer delivers critical engineering advantages through its DIN 7603 compliant design and aluminum material grade. The corrosion-resistant properties specifically address degradation concerns in automotive underbody assemblies, marine equipment, and outdoor industrial machinery where moisture and chemicals are prevalent. The lightweight aluminum construction reduces vibration-induced loosening while maintaining excellent load distribution across the 23.9mm outer diameter. This flat washer effectively prevents surface galling on softer materials and provides reliable electrical grounding in electronic enclosures and electrical panels. The precise 18.2mm inner diameter ensures secure seating on M18 screw sizes, eliminating play and maintaining assembly integrity under dynamic loads.

Specification Summary & Compliance

Manufactured to DIN 7603 specifications with dimensional tolerances including inner diameter of 18.2mm, outer diameter of 23.9mm, and thickness range of 1.3-1.7mm. This metric flat washer is engineered for compatibility with M18 screw sizes and features aluminum material construction. The product meets European standardization requirements and is suitable for applications requiring lightweight corrosion-resistant components. Material composition complies with RoHS and REACH environmental directives for industrial use.