S-92334A123 21 mm ID x 37 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality aluminum, ensuring long-term reliability in harsh environments without rust.
• Excellent electrical conductivity for applications requiring efficient grounding or electrical current flow.
• Lightweight yet durable construction reduces overall assembly weight while maintaining structural integrity under load.
• Precise dimensional fit with 21 mm inner diameter and 37 mm outer diameter, engineered for secure seating on M20 screws.
• Compliance with international standards (DIN 125 and ISO 7089) guarantees consistent quality, interchangeability, and performance.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global industrial use.
• Versatile thickness range (2.7–3.3 mm) provides optimal load distribution and vibration dampening in various assemblies.

Professional Applications & Engineering Value

This aluminum flat washer is engineered to address common industrial challenges such as galvanic corrosion, weight reduction, and electrical isolation. Made from aluminum material, it prevents rust in moist or chemical-exposed settings, while its excellent electrical conductivity makes it ideal for electronics, automotive, and aerospace assemblies requiring reliable grounding. The flat washer design conforms to DIN 125 and ISO 7089 standards, ensuring precise fit and uniform pressure distribution for M20 screw applications. Its lightweight nature reduces overall system weight without compromising on durability, solving issues related to component fatigue and assembly efficiency in industrial washers usage.

Specification Summary & Compliance

This metric flat washer features an inner diameter of 21 mm, outer diameter of 37 mm, and thickness between 2.7–3.3 mm, designed for M20 screw sizes. It meets DIN 125 and ISO 7089 specifications for dimensional accuracy and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial components.