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RUBBER & SILICONEStandard parts. Custom solutions.

Rubber hole plug

Rubber hole plug

The rubber hole plug is one of the vital elements of today’s world, and these accessories have been applied to many different products that we all use every day. Even though they are mostly used in the automotive industry, they find their purpose in so many different gadgets, electronic devices, and even household items to give an additional layer of protection and make our days better. 

There are different types of the rubber hole plug and you should choose one depending on your project, the type of hole that you want to seal, and your overall preferences. Note that depending on the type of rubber they are made of, they can withstand extreme temperatures, and they can provide protection from different elements including water, a variety of liquids, and harsh chemicals. Know that when you choose the best accessory for your need, you should pay close attention to the size, as they come in a variety of ranges, and not every size will be the best match for your project. You need a rubber hole plug that will securely seal the hole, without leaving any space between the edges of it, and at the same time, it should easily slide inside the unit without bending or damaging. 

The rubber hole plug is made of flexible materials, so you should not have to apply too much pressure when installing it. These accessories are a cost-effective solution when it comes to safeguarding your equipment from any type of weathering, damage, or leakage. They can be used in pretty much every hole and they are specifically recommended for implementation when it comes to transportation or storage. The rubber hole plug comes in a range of sizes, shapes, and designs, and you can choose if you want to purchase something that is already available on the market, or if you want to get a specific custom design that will fit your project the most. 

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.

Custom colors are available to your Pantone color code. Include the code in your inquiry.

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
Blanking insert for an unused panel opening
Application focus
Vehicle body openings. Size the part against the selected assembly.
Dimensions to confirm
Opening profile, panel thickness, retaining groove and head overlap. Match these to vehicle body openings.
Exposure to evaluate
Heat and cold cycling. Validate the selected material under the combined conditions.
Panel engagement
Seat the head against the panel and check retention at the actual cut edge.

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