S-91860A068 3.2 mm ID x 9 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 17-7 PH stainless steel construction, ideal for harsh industrial environments
• Exceptional mechanical strength with Rockwell C40 hardness for reliable load distribution and vibration resistance
• Precision dimensional accuracy with 3.2mm ID and 9mm OD ensuring perfect fit with M3 screws
• Optimized thickness range (0.7-0.9mm) providing consistent performance under compression loads
• Full compliance with DIN 9021 standards guaranteeing interchangeability and engineering reliability
• Environmental regulatory compliance meeting RoHS 3 and REACH requirements for global industrial use
• Extended service life through material properties that resist stress corrosion cracking

Professional Applications & Engineering Value

These M3 metric flat washers manufactured from 17-7 PH stainless steel provide critical solutions for engineering challenges in corrosive or high-stress environments. The DIN 9021 specification ensures precise dimensional control with 3.2mm internal diameter and 9mm outer diameter, creating reliable bearing surfaces that prevent fastener loosening under vibration. The Rockwell C40 hardness delivers optimal balance between strength and ductility, making these washers ideal for industrial machinery, precision equipment, and automotive assemblies where consistent performance under load is essential. The corrosion-resistant properties of 17-7 PH stainless steel eliminate premature failure in humid, chemical, or marine applications, significantly reducing maintenance frequency and replacement costs.

Specification Summary & Compliance

This M3 flat washer features precise dimensional specifications with 3.2mm ID, 9mm OD, and 0.7-0.9mm thickness manufactured to DIN 9021 standards for metric flat washers. The component maintains Rockwell C40 hardness and is produced from 17-7 PH stainless steel for consistent mechanical performance. Compliance certifications include RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) with current SVHC documentation, ensuring environmental regulatory adherence for industrial and commercial applications worldwide.