S-98688A114 4.3 mm ID x 8 mm OD DIN 433; ISO 7092 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating that protects against rust and extends service life in harsh industrial environments
• Precise dimensional fit with 4.3mm ID and 8mm OD ensuring perfect alignment and load distribution for M4 screws
• Enhanced durability thanks to Rockwell B76 hardness that maintains shape under pressure and prevents deformation
• Reliable performance meeting DIN 433 and ISO 7092 standards for consistent quality and interchangeability in global applications
• Environmental compliance with RoHS 3 and REACH regulations, ensuring safe use in regulated industries
• Optimized thickness range (0.4-0.6mm) providing flexibility for vibration dampening and gap filling without adding bulk
• Cost-effective protection for equipment by preventing loosening and surface damage in assembled components

Professional Applications & Engineering Value

This M4 flat washer in zinc plated steel delivers critical engineering solutions by addressing common fastening challenges. Its metric dimensions and compliance with DIN 433 and ISO 7092 ensure precise fit in machinery, automotive, and electronics assemblies, reducing the risk of screw loosening due to vibrations. The zinc plating offers a protective barrier against moisture and chemicals, significantly enhancing corrosion resistance in outdoor or humid conditions. With a controlled thickness of 0.4-0.6mm, it effectively distributes load and seals gaps, preventing surface indentation and improving the longevity of connected parts. Ideal for industrial washers applications, this component supports reliable, maintenance-free operation in demanding B2B environments.

Specification Summary & Compliance

This flat washer features an inner diameter of 4.3mm, outer diameter of 8mm, and thickness range of 0.4-0.6mm, manufactured from zinc plated steel with a hardness of Rockwell B76. It conforms to DIN 433 and ISO 7092 standards for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.