S-93475A190 1.7 mm ID x 4 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and extending component lifespan
• Exceptional mechanical strength with a Rockwell B75 hardness rating, preventing deformation under load and ensuring reliable performance
• Precision dimensional fit with a 1.7mm ID designed specifically for M1.6 screws, ensuring secure fastening and vibration resistance
• Guaranteed interchangeability and reliability through compliance with DIN 125 and ISO 7089 international standards
• Ultra-thin profile (0.2-0.4mm thickness) for applications with strict space constraints without sacrificing load distribution
• Safe for sensitive applications as it is fully compliant with RoHS 3 and REACH environmental regulations
• Optimized load distribution with a 4mm outer diameter, protecting surfaces and reducing stress on fastened materials

Professional Applications & Engineering Value

This M1.6 flat washer is engineered to solve critical challenges in precision engineering and industrial assembly. Its 18-8 stainless steel material provides excellent corrosion resistance, making it indispensable in electronics, medical devices, and outdoor equipment where moisture and chemicals are a concern. The thin profile and precise metric dimensions ensure a perfect fit in compact designs, preventing assembly issues. By conforming to DIN 125 and ISO 7089 standards, it guarantees consistent performance, reduces the risk of fastener failure, and maintains the integrity of M1.6 screw connections against loosening from vibration, thereby enhancing the overall durability and safety of the final product.

Specification Summary & Compliance

This flat washer features an Inside Diameter (ID) of 1.7 mm, Outside Diameter (OD) of 4 mm, and a Thickness of 0.2-0.4 mm. It is manufactured to the precise dimensional tolerances defined by the DIN 125 and ISO 7089 standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in regulated markets.