Metric O-Rings

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metric o-rings
O-Ring Size Chart

Rocket Seals is a leading seal and O-Ring specialist, supplying metric O-Rings for all industrial applications.  We stock metric O-Rings from the leading manufacturers in the industry and continuously update and expand our inventory to meet the changing needs of industry and take advantage of the latest materials and technology advances.

Our extensive inventory of metric O-Rings includes:

  • Wide range of sizes, IDs and ODs
  • Buna, FKM, EPR, Silicone, PTFE, PTFE encapsulated, PTFE coated, Kalrez, Neoprene, Chemraz, Simriz, Highly Saturated Nitrile, Urethane, Mil-spec, and many specialty compounds
  • Quantities from small orders to large production, quantity orders
  • Custom kitting, assemblies, and splicing kits

We have experience and expertise in all industries, including,

O-Rings Product Colors

Special order O-rings and seals in different colors are increasingly popular with OEMs for parts identification and are priceless if assembly or repair mistakes are avoided.  Please call Rocket for specific information (lead times, minimums) about both custom colors and stock colors for your production or private labeled repair kits.

Available Sizes

We can provide O-Rings with material and manufacturing processes certifications to industry standards if required for your application. If your application requires unique or hard-to-find sizes, shapes, or materials, we will work with our manufacturing partners to source the O-Rings your needs. 

O-Rings provide seals between two or more parts in equipment, machinery, and motors.  They are used to prevent leakage of liquids or gasses and to provide protection against compression or wear in moving parts.

We offer same-day shipping and perform quality checks of every order, so you know that your critical parts will meet your application specifications.

At Rocket Seals, our commitment to the highest standard of customer service includes technical support to assist you in selecting the O-Ring that will meet your application requirements.

OEM Metric Orings

We partner with our customers – providing you with technical expertise and superior service to ensure that your purchases meet or exceed your expectations. Whether you are an OEM looking for metric O-Rings for new product development or existing product production, or a facilities or maintenance manager looking for a replacement or wear parts, our expert team can recommend and source the right metric O-Ring for your application.



Contact Rocket Seals today to see how we can solve your OEM and MRO challenges.

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