Skip to content
RUBBER & SILICONEStandard parts. Custom solutions.

Small rubber plugs

Small rubber plugs

Rubber plugs are available in different sizes and shapes according to needs and preferences. Small rubber plugs are similar to rubber stoppers but in small sizes, and used for various purposes such as holding gas or liquid inside an object. They are mostly made of synthetic material and highly resistant to high temperatures and severe weather. They are used in a variety of industries due to their countless applications. Industries like gas, chemical, construction, and shipping are more concerned with the small rubber plugs. These rubber plugs have long-lasting ages and can’t be affected by the negative effects of UV and ozone.

You may have seen small rubber plugs at many places such as on a gas cylinder. They act as a tight seal against anything and hold the subject from going in or coming out of the hole. They are highly heat resistant and can bear more than 600 degrees Fahrenheit temperature. They are efficient and effectively complete their purpose of the fitting. They are easy to install and are inexpensive. Moreover, they are flexible and compressible and can’t be easily cracked or teared up. The rubber holes perfectly provide sealing and due to their flexibility property, you don’t need to worry about the shape of the hole. They are also water-resistant so that if you ever get a small hole in your water pipe, you will be thankful for a small rubber plug that has saved your water and many other hindrances after that.

All dimensions are in mm​

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

Need a quote or a custom part?

Send your requirements, drawings or samples to discuss standard and custom silicone rubber parts.

Contact Us Now!

Email us[email protected]

Ready to Find Your Rubber Part?

Send your requirements or drawing to discuss materials, dimensions and custom parts.

Request a Quote

Request a Quote

Tell us about your part, including dimensions, material, quantity, application and any special requirements. Attach a drawing if available to help us prepare your quote.

Contact Our Team

Prefer email? Contact us at [email protected]

Attach a drawing (optional)