O-Ring METRIC Type Size List

Metric O-Rings are designed based on the ISO metric system (mm) and are widely used in hydraulic, pneumatic, automotive, and food-grade applications across Europe and Asia. They provide greater flexibility in dimension selection compared to AS568 inch-based standards.

🧪 Available Materials & Features

MaterialFeatures
NBROil resistance, cost-effective, durable
FKMHigh temperature & chemical resistance
EPDMSteam, ozone, and water resistance
SiliconeFood-grade, weather-resistant, low-temp use

🧰 Common Applications

  • Hydraulic & pneumatic seals (metric standard)

  • European/Japanese machine repairs

  • Water fittings and sanitary systems

  • Electronics and waterproof sealing

  • Automotive OEM parts

🏭 Why Choose CNL?

  • Full stock of over 1,000 metric O-Ring sizes

  • CAD drawings and dimensional sheets available

  • Wide material options: NBR, FKM, EPDM, Silicone

  • Custom molding available for non-standard needs