S-93475A380 43 mm ID x 78 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel material, ideal for harsh industrial environments and extending service life.
• Precise dimensional accuracy with 43mm ID and 78mm OD, ensuring reliable fit and uniform load distribution for M42 screw applications.
• High durability and strength with a thickness of 6.0-8.0 mm, providing excellent load-bearing capacity and resistance to deformation under stress.
• Full compliance with international standards including DIN 125 and ISO 7089, guaranteeing interchangeability and quality assurance in global projects.
• Environmental and safety compliance with RoHS 3 and REACH regulations, ensuring safe use in sensitive applications without hazardous substances.
• Versatile metric system compatibility, designed for seamless integration in machinery, construction, and automotive assemblies using metric fasteners.
• Cost-effective maintenance due to long-lasting material properties, reducing replacement frequency and downtime in demanding operations.

Professional Applications & Engineering Value

This M42 flat washer is engineered to address common industrial challenges such as corrosion-induced failure and uneven load distribution. Made from 18-8 stainless steel, it offers exceptional resistance to rust and chemicals, making it suitable for applications in marine, chemical processing, and outdoor infrastructure. The metric dimensions (43mm ID, 78mm OD) and adherence to DIN 125 and ISO 7089 standards ensure precise alignment and secure fastening in heavy-duty assemblies, preventing loosening under vibration. Its robust flat washer design distributes pressure evenly, protecting surfaces and enhancing the longevity of M42 screw connections in machinery, structural frameworks, and transportation equipment.

Specification Summary & Compliance

This washer features precise metric dimensions with an inner diameter of 43mm, outer diameter of 78mm, and thickness ranging from 6.0 to 8.0 mm, conforming to standard tolerances for reliable performance. It complies with DIN 125 and ISO 7089 specifications for flat washers, ensuring dimensional consistency and manufacturing quality. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, affirming its safety for use in regulated industries without restricted substances.