S-93475A179 1.5 mm ID x 3.8 mm OD ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extending service life.
• Precise dimensional accuracy manufactured to ISO 7089 standards, ensuring reliable fit and consistent performance with M1.4 screws.
• Enhanced load distribution with 3.8mm OD and 1.5mm ID, reducing surface pressure and preventing damage to assembled components.
• Excellent mechanical durability from Rockwell B75 hardness, providing reliable performance under vibration and stress.
• Compliance with global regulations including RoHS 3 and REACH, ensuring safe use in industrial and electronic applications.
• Ultra-thin profile with 0.2-0.4mm thickness, suitable for compact assemblies and space-constrained designs.
• Broad industrial compatibility for use in electronics, precision instruments, and small mechanical systems requiring metric fasteners.

Professional Applications & Engineering Value

Engineered for precision industrial applications, these M1.4 metric flat washers address critical needs in electronics, miniature assemblies, and corrosive environments. The 18-8 stainless steel material offers outstanding corrosion resistance, eliminating failure risks from moisture, chemicals, or oxidation. With ISO 7089 compliance, the washers ensure exact dimensional tolerances, preventing loosening and maintaining clamp load in high-vibration settings. The slim 0.2-0.4mm thickness and small 1.5mm ID/3.8mm OD profile make them ideal for space-sensitive designs, such as PCB mounting, medical devices, and micro-mechanical systems, where reliability and compactness are paramount.

Specification Summary & Compliance

This flat washer conforms to ISO 7089 dimensional standards with an internal diameter of 1.5mm, external diameter of 3.8mm, and thickness range of 0.2-0.4mm. Manufactured from 18-8 stainless steel with a hardness of Rockwell B75, it is designed for use with M1.4 screw sizes. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial markets.