S-98044A212 3.2 mm ID x 7 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced electrical conductivity due to pure copper material, ensuring reliable performance in electrical connections and grounding applications.
• Superior corrosion resistance for long-lasting durability in humid or chemically aggressive environments, reducing maintenance needs.
• Precise dimensional fit with 3.2mm inner diameter and 7mm outer diameter, designed to perfectly match M3 screw sizes for secure fastening.
• Consistent load distribution thanks to flat washer design per DIN 125 and ISO 7089 standards, minimizing surface damage and loosening.
• Compliance with strict environmental regulations including RoHS 3 and REACH, ensuring safe use in various industrial and consumer applications.
• Versatile thickness range of 0.4-0.6mm, providing flexibility for different assembly requirements while maintaining structural integrity.

Professional Applications & Engineering Value

This M3 metric copper flat washer is engineered to address critical challenges in electrical and mechanical assemblies. The high-purity copper material offers exceptional electrical conductivity, making it ideal for grounding systems, electrical enclosures, and circuit connections where efficient current flow is essential. Its natural corrosion resistance ensures reliability in plumbing, automotive, and marine applications, preventing galvanic corrosion and seal degradation. Manufactured to DIN 125 and ISO 7089 standards, the washer provides consistent dimensions and performance, reducing installation errors and enhancing joint integrity in M3 screw fastening scenarios. The flat design evenly distributes clamping force, protecting sensitive surfaces and extending equipment lifespan in industrial settings.

Specification Summary & Compliance

This washer features precise dimensions: Inner Diameter (ID) of 3.2mm, Outer Diameter (OD) of 7mm, and Thickness ranging from 0.4-0.6mm, conforming to DIN 125 and ISO 7089 standards for dimensional accuracy and interchangeability. It is specifically designed for screw size M3 in metric systems. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in various industrial and electrical applications.