S-98687A135 5.3 mm ID x 9 mm OD DIN 433 General Purpose Washers
General Purpose Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior load distribution with precise 5.3mm ID and 9mm OD dimensions to prevent surface damage and extend fastener life
- Exceptional vibration resistance thanks to Rockwell B76 hardness steel construction for stable, long-term performance
- Guaranteed dimensional accuracy through strict DIN 433 standard compliance ensuring perfect M5 screw compatibility
- Enhanced durability with 0.9-1.1mm thickness providing reliable compression strength in demanding applications
- Regulatory compliance assurance with RoHS 3 and REACH conformity meeting strict industrial environmental standards
- Corrosion-resistant steel material offering consistent performance across various operating conditions
- Optimized for industrial environments with metric sizing that integrates seamlessly into international engineering projects
Professional Applications & Engineering Value
This M5 metric flat washer delivers critical engineering value through its DIN 433 compliant design and steel construction. The precisely controlled 5.3mm inner diameter and 9mm outer diameter create optimal surface contact, solving common industrial challenges like joint loosening under vibration and surface deformation under high loads. The Rockwell B76 hardness ensures the washer maintains its structural integrity while distributing clamping forces evenly, preventing damage to sensitive components. These flat washers are particularly valuable in assembly lines, machinery manufacturing, and equipment maintenance where reliable fastening solutions must withstand dynamic operating conditions while meeting international regulatory requirements.
Specification Summary & Compliance
Manufactured to DIN 433 standards with precise dimensional tolerances for M5 screw applications. Features include: 5.3mm inner diameter, 9mm outer diameter, and 0.9-1.1mm thickness range. Constructed from steel with Rockwell B76 hardness rating. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use across global markets.
