Search the world’s biggest O-ring warehouse stock


Search in our stock for the dimensions needed.

We serve our customers from the world's largest O-ring warehouse (45.000 positions kept in stock). You can search the COG O-Ring warehouse for your required sealing solution in one click.

For the search, enter the O-ring inner diameter d1 and the cord diameter d2. If necessary, you can narrow down your search by selecting the required material.  Example: Inner diameter of 10 mm and a cord diameter of 1,5 mm please enter 10x1,5 mm.

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Our inventory is updated daily (intermediate sale of items and stock differences reserved). We only sell to business customers (no sales to private individuals!).

O-ring warehouse overview


Our exceptionally high readiness to deliver has good reasons:

  • The world’s largest O-ring warehouse 
  • Over 45,000 items kept in stock for immediate delivery
  • Professional use of the most modern storage and communication technology
  • All essential materials for O-ring and elastomer seal technology are available (including FKM/FPM, FFKM/FFPM, FEPM, NBR, VMQ and many more…) plus lots of special materials (including PTFE, FEP- and PFA-coated)
  • Orders placed by 3 p.m. (CET) for in-stock items are dispatched on the same day
  • Current stock levels viewable online (updated daily)