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RUBBER & SILICONEStandard parts. Custom solutions.

rubber cone plug

rubber cone plug

Our rubber cone plug is a component that can seal a different range of holes so long as it matches the size. The purpose of our product is to be pushed into a hole and keep it sealed. Thus, our component sees use across multiple industries and across the household. We make our rubber cone plug using the highest-quality rubber. By mixing multiple rubber types, we have created a type of rubber that is durable, versatile, flexible, and effective. With our rubber cone plug, you can use it to seal a wide range of holes. Since we make this product in a wide range of sizes, feel free to browse our website to find the perfect component for the job.

Installing the component is very easy. All you need to do is simply push the cone into the hole. To make sure it stays in place, give it an extra push by using an installation tool, a hammer, or any other tool of the kind. Our component sees use across many industries. Any industry or business office in need of a sealant can use this component and rest assured knowing the hole won’t be a problem. 

Whenever you need to fill a hole around the house, you can do it with our component. The advantage of using a rubber cone plug instead of filling the hole with concrete is the added flexibility. Installing our product is less of a hassle than going through the necessary steps of creating a mixture to fill a hole.

Given the nature of holes and the need to seal them, our components are vital in getting the job done. As such, feel free to contact us regarding any questions you might have with our product. Our website is also an excellent resource that you can use to find the perfect rubber cone plug. 

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.

Dimension guide
T-shaped stopper — original A, B, C, D and E dimensions
A recessed RST variant is illustrated. The head remains closed. Check E and the approved section for the selected part.
Product appearance
Rubber Silicone Plugs(T-shaped-RST) — product view
Illustrative product rendering. Refer to the selected part drawing and table for dimensions.
PartNo.A(mm)B(mm)C(mm)D(mm)E(mm)
RST2.5-5.5-5.32.55.55.320
RST2.7-5.5-52.75.5520
RST3-4.3-4.534.34.50.80
RST3-7-73772.20
RST3.3-6.5-63.36.561.50
RST3.5-6.5-63.56.5620
RST3.8-7-10.53.8710.51.50
RST3.8-7-73.8771.50
RST3.8-7-63.8761.50
RST4-7.5-647.5620
RST4-9.5-749.572.50
RST4.3-8-64.3861.50
RST4.5-7.5-64.57.5620
RST4.8-6.8-3.64.86.83.60.90
RST4.8-9-74.8971.50

Need a different fit? Share the opening dimensions, mating profile and intended use for a custom size.

Discuss Your Requirements

Product specifications

Product form
Tapered closure for an internal opening
Dimensions to confirm
Opening diameter, closure profile, insertion depth and exposed grip.
Seating check
Check the sealing contact around the opening and the force needed for insertion and removal.
Service definition
Specify the service environment, handling sequence and acceptance criteria for a sample in the actual assembly.

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