CUSTOM RUBBER & SILICONE MANUFACTURING

OEM waterproof small silicone rubber plastic plug with hole

A custom component for your assembly.

Define the mating surfaces, dimensions and working conditions. ETOL manufactures the part to the agreed design and material.

  • Factory direct
  • Made to order
  • Drawing & sample support

Share the part, its application and your estimated quantity.

Customize the fit, material and finish

Vulcanization workshop illustration with green molding presses and blue collection bins

Material & hardness

Selected for the contact, temperature and movement

Color & finish

Define the visible surfaces and intended color

Shape & dimensions

Develop holes, lips and walls around the mating parts

Mounting & fit

Match the attachment and installation method

Product Overview

A small custom plug with hole surrounds a passing feature while its outside fits a separate opening. For a silicone version, the rubber geometry must coordinate these inner and outer contact areas. The hole cannot be ignored when evaluating the closure, particularly if the assembly is expected to resist water exposure.

Define what passes through the center and how it is positioned. The bore may change shape as the outer body is compressed during fitting, so evaluate the passing component after the plug is seated. Avoid using an excessively tight outer fit that squeezes the center out of its intended alignment. The surrounding head or stop also needs enough space to reach its proper position.

Select the material for the actual exposure and inspect both interfaces in the finished assembly. An open center left unoccupied changes the closure condition, even if the outer profile fits neatly. Keep the bore free from particles and prevent sharp ends from cutting the rubber during insertion. Any required water resistance should be established for this complete fitted arrangement and its intended conditions.

Material options
Custom silicone compound; formulation and geometry developed together.
Hardness selection
Silicone options: 20–80 Shore A. Any required water resistance should be established for this complete fitted arrangement and its intended conditions.
Custom geometry
The bore may change shape as the outer body is compressed during fitting, so evaluate the passing component after the plug is seated.
Fit evaluation
Select the material for the actual exposure and inspect both interfaces in the finished assembly.
Color & OEM
Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. The bore may change shape as the outer body is compressed during fitting, so evaluate the passing component after the plug is seated. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.

Choosing a material or hardness? Explore the selection guide →

From part requirements to production

01

Define the part

Identify key dimensions, mating surfaces and quantity

02

Review material & tooling

Agree the compound and manufacturing approach

03

Evaluate the sample

Review the fit and agreed requirements in the assembly

04

Produce & inspect

Manufacture and check against the approved requirements

Review the intended assembly

Working conditions

Identify temperature, contact fluids and repeated movement.

Material and structure

Consider hardness together with wall thickness and support.

Installation

Check access, mating dimensions and the fitting sequence.

Ordering this custom component

Can the shape be adjusted to my mating parts?

Yes. Show the receiving opening, contact surfaces and clearance limits. We can review the dimensions and retaining features around the intended fit.

Which details should be agreed before tooling?

Agree the critical dimensions, material, hardness, visible surfaces and sample requirements. Explain how the part is installed and which interfaces control its function.

Can a sample help define the replacement?

A sample can help explain the structure. Compare it with the assembly because wear, swelling or compression may have changed its original dimensions.

How is the quotation for this part determined?

The material, part geometry, tooling, quantity and finishing affect the quotation. Include the intended batch size and delivery destination when describing your requirements.

DISCUSS THIS COMPONENT

Describe the part you need.

Share the fit, operating conditions and quantity with our manufacturing team.

No files selected.

Send your requirements
and selected drawings

All files and photos you share with us are handled under strict confidentiality procedures and will not be disclosed to any third party.

DISCUSS THIS COMPONENT

Request a Custom Quote

You can also email us directly at [email protected].