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RUBBER & SILICONEStandard parts. Custom solutions.

Rubber button plugs

Rubber button plugs

Rubber button plugs are used to seal and cover different types of small holes on various items. Since they’re made out of rubber, they’re incredibly sturdy, water and temperature resistant, all while being extremely customizable. You can find them in all sizes and dimensions depending on your specific requirements and needs. 

Again, they can be custom-made to appeal to all preferences and requisites, as long as you find a reliable manufacturer, that is. We suggest doing extensive research until you’ve found an experienced and capable supplier who can deliver the products you need as quickly as possible. If you’re in a rush, you can probably find pre-made rubber button plugs with suitable diameters. Still, then your choice of colors can be limited, which can be an issue when visual appeal is among your primary concerns. Premade rubber button plugs are usually made in either black or white. 

One of the most significant properties of rubber button plugs is their resistance to harsh external conditions such as heat, chemicals, and corrosive substances. Besides that, they’re highly durable and can be used to plug a variety of round holes, no matter the material that surrounds them. These characteristics allow them to be used in a wide range of industries such as the manufacturing and construction industries. 

Even though they’re mainly used for sealing holes, that’s not their one and only application. You can use them to secure furniture, temporarily fix minor plumbing issues, or even as a finishing cover for “hiding” different types of material damage. Naturally, they can be ordered in bulk, which is an excellent opportunity to stack up on these valuable items while saving remarkable amounts of money at the same time. Make sure to get the exact hole measurements to find the rubber button plugs with diameters that suit your specific needs before making your purchase for the best results. When in doubt, simply ask your supplier for a sample or two.

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
Blanking insert for an unused panel opening
Dimensions to confirm
Opening profile, panel thickness, retaining groove and head overlap.
Profiles discussed
Round profiles. Select the profile that matches the mating part and dimension that section explicitly.
Panel engagement
Seat the head against the panel and check retention at the actual cut edge.

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