S-93413A213 6.4 mm ID x 18 mm OD DIN 9021, ISO 7093 Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion protection with black-coated steel for extended service life in harsh industrial environments
• Precise dimensional accuracy with 6.4mm ID and 18mm OD ensuring perfect fit for M6 screws and uniform load distribution
• Superior mechanical strength from Rockwell B56 hardness rating, resisting deformation under high-pressure applications
• Global standard compliance with DIN 9021 and ISO 7093 specifications for reliable interchangeability in international projects
• Environmental responsibility through RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances
• Optimized thickness range (1.4-1.8mm) providing consistent spacing and vibration resistance in assembled components
• Versatile industrial suitability for machinery, automotive, and construction applications where corrosion resistance and durability are critical

Professional Applications & Engineering Value

These M6 flat washers deliver exceptional engineering value by addressing common industrial challenges like corrosion-induced failure and load instability. The black corrosion-resistant coated steel construction provides a robust barrier against moisture, chemicals, and atmospheric exposure, significantly reducing maintenance costs in outdoor or corrosive settings. With precise adherence to DIN 9021 and ISO 7093 standards, these metric washers ensure reliable performance in heavy-duty assemblies, automotive subsystems, and structural frameworks. The controlled hardness (Rockwell B56) prevents brittleness while maintaining shape integrity under dynamic loads, making them ideal for vibration-prone equipment and precision engineering applications where fastener reliability is non-negotiable.

Specification Summary & Compliance

This flat washer maintains strict dimensional tolerances per DIN 9021 and ISO 7093 standards, with inner diameter of 6.4mm, outer diameter of 18mm, and thickness ranging 1.4-1.8mm. Manufactured from black corrosion-resistant coated steel with Rockwell B56 hardness, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability for global industrial supply chains.