Rubber & Buna-N Grommets Manufacturer

As a leading manufacturer of custom rubber products, Minor Rubber specializes in high-quality rubber grommets for industrial projects. We maintain an extensive inventory in various sizes and materials, such as Buna-N (Nitrile) grommets, to meet your specific requirements. Whether you need standard pass-through protection or specialized military components, our team is equipped to deliver.

High-Quality Rubber Grommets for Industrial Projects

Grommets are useful in electronics projects when a wire or tube needs to pass through metal or another material that may cause damage. Most commonly, they protect cables from sharp corners and edges.

We offer standard Buna-N (Nitrile) grommets for insulation, and we also manufacture Mil-Spec grommets for military use. Additionally, we produce vibration mount grommets to protect components from noise and vibration, along with other specialty grommets. Grommets can be pushed into place using our grommet inserter tools. For more information on any of our rubber grommets, including Buna-N (Nitrile) grommets, contact us today.

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Grommet Materials and Specification Grades

Most of our stock grommets are made from Buna-N (Nitrile), however, we also manufacture custom grommets in a range of materials to fit your exact needs. You can refer to our compatibility chart for more detailed material specifications.

We can manufacture your components using commercial and specification grades across our entire elastomer catalog. Popular material options include:

• SB
• Silicone
• Neoprene
• EPDM
• Natural rubber
• HNBR
• Fluoroelastomers
• Fluorosilicone
• Butyl
• Urethane

These materials meet rigorous industry requirements, including NASM 3036 Composition A and B, as well as Mil-Spec and ASTM standards, plus AMS requirements. Neoprene is a registered trademark of DuPont Performance Elastomers for their brand of Chloroprene Elastomer, and Minor Rubber reserves the right to provide a chloroprene material of another manufacturer in lieu of Neoprene.

Custom Grommet Shapes for Specialized Designs

At Minor Rubber, we are able to manufacture grommets in a variety of shapes to accommodate unique panel cutouts and wire configurations:

• Oval
• Square
• Rectangular
• Oblong
• Round

If you are not sure what grommet shape is best for your design, contact Minor Rubber and we can make a recommendation backed by our manufacturing expertise.

Industries Relying on Pass-Through Protection

In addition to electronics, our grommets provide essential protection across a wide variety of sectors. We serve the OEM and replacement part markets, maintaining inventory for industrial distributors. As a trusted manufacturer, we have earned a reputation for high-quality production and reliable customer service for the following markets:

• Components for the aerospace sector
• Parts for the healthcare industry
• Materials for commercial construction
• Seals for the transportation field
• Hardware for military and defense operations

Request a Quote for Custom or Standard Grommets

Whether you need a massive volume of standard Buna-N grommets or a custom shape molded for a specialized project, our team is ready to deliver. Reach out to Minor Rubber today to discuss your specifications.

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FAQs

How do I measure a panel hole to ensure the correct grommet size?

To get a secure fit, you need to measure the groove diameter. This corresponds to the exact size of the drilled hole in your panel. You must also measure the groove width, which matches the thickness of the metal or plastic sheet the component will rest inside.

Which grommet material is best for outdoor weathering and UV exposure?

While Buna-N is excellent for oil resistance, EPDM is the superior choice for outdoor environments. EPDM rubber naturally resists degradation from sunlight and extreme weather conditions.

What information is needed to design a custom rubber grommet?

When requesting a custom shape, providing the panel thickness and hole diameter is essential. You will also need to provide the required inner clearance for your cables. Sharing details about the operating environment helps our team recommend the most effective elastomer blend for your project.