S-98689A114 5.3 mm ID x 9 mm OD DIN 433; ISO 7092 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Precise dimensional fit with 5.3mm ID and 9mm OD ensures secure seating and even load distribution for M5 screws.
• Enhanced mechanical durability from Rockwell B76 hardness, providing reliable performance under vibration and repeated use.
• Guaranteed interchangeability through compliance with DIN 433 and ISO 7092 standards, ensuring consistent quality and fit.
• Environmental and workplace safety with full RoHS 3 and REACH compliance, free from hazardous substances.
• Optimized thickness (0.9-1.1 mm) offers ideal spacing and tension control without adding unnecessary bulk.
• Long-term cost efficiency due to stainless steel's resistance to rust and degradation, reducing replacement frequency.

Professional Applications & Engineering Value

This M5 flat washer in 18-8 stainless steel addresses critical engineering challenges in assembly and machinery. Its corrosion-resistant properties prevent failure in moist or chemically aggressive settings, such as marine equipment, food processing machinery, and outdoor structural fastening. The metric dimensions and adherence to DIN 433 and ISO 7092 standards ensure precise alignment and load distribution, minimizing stress concentrations and bolt loosening. With a Rockwell B76 hardness, it withstands mechanical wear in high-vibration applications like automotive assemblies and industrial motors, enhancing the longevity and reliability of M5 screw connections while meeting stringent regulatory requirements for safety and sustainability.

Specification Summary & Compliance

This flat washer features an inner diameter of 5.3 mm, outer diameter of 9 mm, and thickness of 0.9-1.1 mm, designed for M5 screw sizes. It conforms to DIN 433 and ISO 7092 standards, ensuring dimensional accuracy and performance consistency. The product is manufactured from 18-8 stainless steel with a hardness of Rockwell B76 and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safe industrial use.