solid rubber stopper size chart
Are you looking for the perfect rubber plugs for your home or workplace? No worries, you’re in the right place – our company offers solid rubber stoppers in a variety of sizes, shapes, colors, designs and other features that matter to you. Whether you want to use these products to hermetically seal your kitchen or laboratory utensils, whether you want to place them on furniture legs to reduce their slippage, or you want to dampen the vibrations of industrial machines in your plant – rubber stoppers are the best choice. On our website you can find a solid rubber stopper size chart that will help you find out what kind of stoppers we have in our offer and help you choose the ones that are best suited to your needs. In case our solid rubber stopper size chart does not help you make a decision and you feel confused because you are not sure which dimensions are appropriate for the stoppers you are looking for, we are here to help you. Contact our experts, explain what the final purpose of rubber stoppers will be and in a few minutes you will have all the answers to your questions.
Rubber stoppers are very convenient products because they can be used in so many different ways! We can say that there is almost no industry in which they are not useful and a problem in the household that can not solve (at least partly!). Rubber stoppers can be used in the household for sealing food containers in order to extend their shelf life, but also in different laboratories for hermetically closing laboratory containers in order to optimize the conditions for performing various chemical reactions.
They can also be very practical for increasing the security of your home, as they allow you to cushion sharp surfaces and prevent injuries. And we know that there is never enough caution when it comes to health, especially if you have small children!
Stopper & Plug Size Catalog
Compare four stopper profiles and check the selected part dimensions against your opening and available depth. Each profile has its own drawing and dimension meanings.
RST T-Shaped Plugs
Match stem diameter A, flange diameter B, stem length C and flange thickness D. E refers to the underside recess; use the selected row and approved drawing to confirm the actual profile.

RSA Tapered Corks
Compare large-end diameter A, small-end diameter B and Height, in mm. The mating bore and required seating depth determine where the taper contacts the opening.

RSB Undercut Plugs
Compare neck diameter A, flange diameter B, flange-to-lip distance C and flange thickness D. Check panel thickness and rear clearance. E refers to the underside recess.

RSD T-Shaped Stoppers
Compare stem diameter A, flange diameter B, stem length C and head thickness D, in mm. Check the seating surface and available depth as well as the hole diameter.

Need a different fit? Share the opening dimensions, mating profile and intended use for a custom size.
Discuss Your RequirementsProduct specifications
- Product form
- Solid, unbored container stopper
- Application focus
- Laboratory vessels. Size the part against the selected assembly.
- Dimensions to confirm
- Opening diameter, closure profile, insertion depth and exposed grip. Match these to laboratory vessels.
- Size selection
- Choose the drawing or chart row by its functional dimensions and units; verify mating-part tolerances before ordering.
- Closure section
- Closed, unbored section; define the sealing profile and the insertion stop.
- Contact conditions
- Food ingredients: define concentration, temperature and contact time, then check compatibility with the chosen compound.
- Seating check
- Check the sealing contact around the opening and the force needed for insertion and removal.
Need a quote or a custom part?
Send your requirements, drawings or samples to discuss standard and custom silicone rubber parts.
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