Working conditions
Identify temperature, contact fluids and repeated movement.
Custom manufacturing example · Half inch rubber grommet/ Rubber oblong Grommet
CUSTOM RUBBER & SILICONE MANUFACTURING
Half inch rubber grommet/ Rubber oblong 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
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 Half inch rubber grommet needs its nominal size reference connected to the actual molded profile before fit is determined. Half an inch is 12.7 mm, but that figure could describe only one feature of an entry. The oblong form also needs a length, width, end shape and mounting groove suited to the panel.
Compare the opening as a complete outline rather than treating it as a circular hole with a single diameter. The cable passage may have different proportions from the outer retaining perimeter. ETOL can customize the dimensions, compound, hardness and color around the intended geometry.
Include the finished panel thickness and surrounding flange clearance in the comparison. A closely spaced neighboring feature may prevent the longer side from resting flat even when the hole itself is correct. The cable route should also leave the lead inside the protected passage without loading only one end.
Fit the rubber while the opening remains accessible and check both curved ends after the cable is threaded. Keep units consistent when comparing inch-based and metric components. If a replacement appears close but requires substantial stretching at an end, review the profile rather than forcing the nominal size match. Recheck seating after the wiring supports determine the cable's final direction.
- 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: The cable route should also leave the lead inside the protected passage without loading only one end.
- Custom profile & fit
- Compare the opening as a complete outline rather than treating it as a circular hole with a single diameter.
- Assembly considerations
- Fit the rubber while the opening remains accessible and check both curved ends after the cable is threaded.
- Design check
- If a replacement appears close but requires substantial stretching at an end, review the profile rather than forcing the nominal size match.
Photos illustrate structure or material only. The oblong form also needs a length, width, end shape and mounting groove suited to the panel. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.
FIND THE RIGHT FIT
Oval Grommet Size Catalog
Choose a through-hole or blind-hole profile, then compare the dimensions for your panel and cable arrangement.
Through-Hole Oval Grommets
133 sizes with an open passage for cables. Match the outside dimensions, opening, panel hole, panel thickness and overall thickness. Dimensions are in millimeters (mm).
DIMENSION GUIDE
PRODUCT FORM
| P/N | OD | ID | GD | GW | T |
|---|---|---|---|---|---|
| OG9001 | 29×49 | 20×40 | 23×43 | 4 | 8 |
| OG9002 | 71.5×37.2 | 53.5×19.2 | 59.5×25.2 | 3.5 | 7.2 |
| OG9003 | 112×43.5 | 98.5×30 | 101.5×33 | 3.5 | 7.2 |
| OG9004 | 83×40 | 71×28 | 75×32 | 2 | 6 |
| OG9005 | 39×19 | 32×12 | 35×15 | 2 | 5 |
| OG9006 | 19.5×10 | 13.5×4 | 15.5×6 | 2 | 5 |
| OG9007 | 14×24 | 8×18 | 10×20 | 1 | 4 |
| OG9008 | 14×24 | 8×18 | 10×20 | 1.5 | 4.5 |
| OG9009 | 14×24 | 8×18 | 10×20 | 2 | 5 |
| OG9010 | 14×24 | 8×18 | 10×20 | 2.5 | 5.5 |
| OG9011 | 14×24 | 8×18 | 10×20 | 3 | 6 |
| OG9012 | 14×24 | 8×18 | 10×20 | 4 | 7 |
| OG9013 | 14×29 | 8×23 | 10×25 | 1 | 4 |
| OG9014 | 14×29 | 8×23 | 10×25 | 1.5 | 4.5 |
| OG9015 | 14×29 | 8×23 | 10×25 | 2 | 5 |
Blind-Hole Oval Grommets
16 sizes with a closed oval profile. Compare the groove dimensions and panel thickness for the mounting fit. Dimensions are in millimeters (mm).
DIMENSION GUIDE
PRODUCT FORM
| P/N | OD | ID | GD | GW | T |
|---|---|---|---|---|---|
| GBH2002 | 15×30 | 10×25 | 13×27 | 3 | 10 |
| GBH2003 | 23×48 | 17×42 | 20×44 | 3 | 10 |
| GBH2004 | 25×51 | 16×42 | 20×45 | 2 | 9 |
| GBH2005 | 25×51 | 16×42 | 20×50 | 2 | 9 |
| GBH2006 | 30×45 | 21×37 | 25×40 | 2 | 9 |
| GBH2007 | 37×91 | 24×78 | 30×85 | 2 | 11 |
| GBH2008 | 46×84 | 29×67 | 37×75 | 2 | 11 |
| GBH2009 | 46×90 | 33×77 | 40×83 | 3 | 14 |
| GBH2010 | 58×83 | 45×70 | 50×75 | 3 | 14 |
| GBH2011 | 41×105 | 26×90 | 35×100 | 2.5 | 9.5 |
| GBH2013 | 38×83 | 26×71 | 30×75 | 4 | 9 |
| GBH2014 | 48×128 | 26×110 | 40×120 | 3 | 10 |
| GBH2015 | 25×40 | 16×31 | 20×35 | 1.5 | 5.5 |
| GBH2016 | 38×53.8 | 24×39.8 | 31×46.8 | 2.54 | 6.35 |
| GBH2017 | 26×66 | 17×57 | 20×60 | 1 | 5 |
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
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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