Rubber plugs for bolt holes
Rubber plugs for bolt holes are tiny items made of very high quality material that makes them durable while at the same time being flexible. This means they are fairly easy to install and secure fixation. Don’t forget to choose the right size to benefit from rubber plugs for bolt holes. However, you can find rubber plugs for bolt holes in different shapes. This is precisely the main reason for their wide representation. So, they can be used as levellers and sliders for various types of furniture, seals, protective linings, etc. However, people have different requirements and that is why there are different designed types of these rubber plugs.
For example, you can find rubber plus plugs that are designed to allow 360 degrees projection. They are used in manufacturing, transportation and other industries. Rubber plugs are needed by certain parts of the equipment in order for it to function properly, ie its mechanism. Best of all, their use is not one-time, and they knew that people used them up to several times. That is why it is considered a very practical and economical solution. We must not forget the rubber T-plugs, which look like screws. So one end is round and flat, and they taper at the end. Thanks to this shape, they are very easy to insert into bolt holes, but also in pipes, openings and other storage places.
There is also a custom rubber plugs option. This means that they adapt to the individual needs of the clients. There is another form that is completely different from the others. It’s about pull plugs. What separates it from other shapes is its length and additional elements. They have handles on the side that allow them to push as deep as possible and thus fill the holes more easily.
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.

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
- Blanking insert for an unused panel opening
- Application focus
- Bolt or screw holes. Size the part against the selected assembly.
- Dimensions to confirm
- Opening profile, panel thickness, retaining groove and head overlap. Match these to bolt or screw holes.
- Profiles discussed
- Round profiles and tapered sections. Select the profile that matches the mating part and dimension that section explicitly.
- Installation discussed
- Screw attachment. Identify the chosen retention method and the surface or hardware it engages.
- Panel engagement
- Seat the head against the panel and check retention at the actual cut edge.
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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