Rubber cap plugs
Rubber cap plugs come in use to seal the end of tubes, pipes, and bars in a wide range of commercial as well as industrial products. Rubber cap plugs can be produced from different types of materials, however, each one is manufactured to accurately fit into the end of a tube in order to prevent liquid or debris from entering the tube. There are some rubber cap plugs that are designed with threads, allowing them to be securely screwed into any threaded tube with a suitable diameter. Rubber cap plugs are typically used in piping with the purpose of preventing contaminants from entering pipes. They are also widely used by importers and exporters in order to provide protection for critical equipment while in transit. In fact, there are special rubber cap plugs made for use with hydraulic equipment that help prevent hydraulic fluid from leaking into the reservoir as well as they are designed to provide easy and quick access when refilling with new fluid is needed. There are several types of rubber cap plugs to choose from, and make sure to select an appropriate one that matches your project, including the type of hole you would like to seal, as well as your general preferred specifications. The rubber cap plugs are designed with flexible materials, which means you will not have to add a lot of pressure in the installation process. Rubber cap plugs are designed to protect your equipment from exposure to the elements, damage, or leakage. Moreover, these items are an affordable and effective choice. As they are manufactured with non-toxic materials, these products stand out as an excellent option when it comes to sealing a variety of fluids while ensuring the quality is not affected. Rubber cap plugs may be inserted in more or less every kind of hole and are particularly suitable to be used during transportation or storage.
Rubber Cap Size Catalog
Compare the internal and external dimensions of rubber caps against the part being covered.
Custom colors are available to your Pantone color code. Include the code in your inquiry.
Rubber Caps-RSE
Compare A (inner diameter), B (outer diameter), C (inner depth) and D (total height), in mm.

Need a different size? Share your drawing, mating dimensions and intended use to discuss a suitable part.
Discuss Your RequirementsProduct specifications
- Product form
- Protective cover fitted over a component end
- Application focus
- Pipe or conduit ends. Size the part against the selected assembly.
- Dimensions to confirm
- Mating outside dimensions, cover depth, cavity and wall thickness. Match these to pipe or conduit ends.
- Exposure to evaluate
- Dust or debris. Validate the selected material under the combined conditions.
- Cover retention
- Check the installed overlap and pull-off force on the actual end profile.
Need a quote or a custom part?
Send your requirements, drawings or samples to discuss standard and custom silicone rubber parts.
Email us[email protected]