CUSTOM RUBBER & SILICONE MANUFACTURING

Molded rubber cable sleeve/protective rubber bushes/grommet

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 rubber cable sleeve can protect more than the immediate edge of a pass through opening. By extending along the cable, a custom sleeve can place a compliant interface where the cable changes direction beside the panel. ETOL offers molded profiles in materials including silicone, natural rubber, EPDM and NBR, with geometry developed for the particular assembly.

The sleeve length should follow the route of the cable. Too little coverage can leave the jacket rubbing against an adjacent bracket, while unnecessary length may crowd a connector or encourage a tight bend. Consider the panel opening, wall thickness, cable diameter and the space on both sides as a single arrangement.

During installation, guide the cable through without folding the sleeve inward. Its retaining portion should seat independently of the cable's final routing, so that repositioning the harness does not peel the part away from the panel. Secure the harness where necessary rather than expecting a flexible sleeve to carry its weight.

For service access, check whether the sleeve can remain in place when the connector is disconnected. This can influence the preferred molding shape and assembly order. Inspect the transition between the sleeve and exposed cable for localized rubbing after the equipment has been assembled and operated.

Material options
Custom rubber compound and color, selected for the contact conditions and required geometry.
Hardness range
30–90 Shore A for rubber. Assess the grade against this fit requirement: Too little coverage can leave the jacket rubbing against an adjacent bracket, while unnecessary length may crowd a connector or encourage a tight bend.
Custom profile & fit
Consider the panel opening, wall thickness, cable diameter and the space on both sides as a single arrangement.
Assembly considerations
Inspect the transition between the sleeve and exposed cable for localized rubbing after the equipment has been assembled and operated.
Design check
For service access, check whether the sleeve can remain in place when the connector is disconnected.

Photos illustrate structure or material only. By extending along the cable, a custom sleeve can place a compliant interface where the cable changes direction beside the panel. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.

Choosing a material or hardness? Explore the selection guide →

FIND THE RIGHT FIT

Round Grommet Size Catalog

Choose a profile to compare part numbers and dimensions. Inch and metric sizes are listed in separate tables.

Type D Round Grommets in Inches

274 entries for Type D round through-hole grommets. Original fractions are retained, and exactly equivalent standard inch fractions replace decimal values where possible. Other values remain decimal inches.

DIMENSION GUIDE
Type D Round Grommets in Inches: plan view on the left and section view on the right, with labels matching the dimension key.
Profile reference only. Use the dimensions listed for each part number.
PRODUCT APPEARANCE
Generated product visualization of a black rubber Type D grommet with two round flanges, a panel mounting groove and an open central bore.
Illustrative product rendering. Refer to the table for dimensions.
P/NID (C)GD (A)OD (D)GW (B)T (E)Unit
RG20017/645/321/43/3211/64inch
RG20027/645/321/43/6411/64inch
RG20035/327/329/323/327/32inch
RG20041/83/165/161/163/16inch
RG20059/641/45/165/641/4inch
RG20065/321/45/167/6413/64inch
RG20071/83/1611/321/167/32inch
RG20081/81/411/321/167/32inch
RG20091/81/411/323/321/4inch
RG20109/643/1611/321/163/16inch
RG20113/169/3213/323/325/16inch
RG20123/165/1613/321/167/32inch
RG20133/169/327/163/327/32inch
RG20143/165/167/161/163/16inch
RG20153/165/167/161/43/8inch

Can't find the right size? Contact us for custom dimensions tailored to your requirements.

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.

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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].