Custom Aluminum O-Ring Manufacturer

HM is an experienced aluminum O-ring manufacturer in China.

We produce different designs of aluminum O-rings for industries such as automotive, industrial, and more.

HM offers custom aluminum O-rings to meet specific requirements.

Your Trusted Custom Aluminum O-Ring Manufacturer

Aluminum O-rings are widely used for rigging applications. We used a superior quality aluminum bar stock to produce strong connection points and small aluminum O-rings. It features an inner surface with a round shape. Thus, allowing smooth rope movement while eliminating rope bend.

Here in HM, we use different CNC processing technology to create precise aluminum O-rings. We can provide aluminum O-rings with standard sizes. It is made from different grades of aluminum alloy to ensure quality.

Aside from that, HM also has full capabilities in providing completely custom aluminum O-rings. It is also available in color anodized and more custom finishes.

Send us your inquiries today!




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Aluminum O Ring Series



  • Custom Made O Ring
    Custom Made O Ring

    Custom-made O rings are remarkably durable and made from TRP polymer. It features a broad temperature range and leak-tight seal reliability.


  • vacuum flange o-ring
    Vacuum Flange O-Ring

    Vacuum flange O-ring offers a simple structure, excellent self-sealing effect, stable sealing performance on high pressure, and is easy to install.


  • KF Centering O ring
    KF Centering O Ring

    KF centering O-ring is widely used to improve the sealing performance in vacuum fittings. It features high-temperature resistance, excellent chemical resistance, and chemical compatibility.


  • Aluminum Flat Metal O Ring
    Aluminum Flat Metal O Ring

    Aluminum flat metal O-ring features easy-open buckles. It is widely used for bottle collars, craft projects, leashes, and more.


  • high quality anodized o ring
    High Quality Anodized O Ring

    These high-quality anodized O-rings are widely used for preventing fluids from escaping through the gaps of the machine’s joined parts. It comes with a different color anodized finish to suit every customers’ specification.


  • Mechanical Air O-ring
    Mechanical Air O-ring

    Mechanical air O-ring works well with air conditioning systems and refrigerants. They are resistant to tear and abrasion and offer a broad temperature range resistance.


  • vacuum fitting o-ring
    Vacuum Fitting O-Ring

    Vacuum fitting O-ring features round in cross-section and rubber elastomer O-ring centering. It is designed for a broad range of sealing applications.


  • metal luxury key ring bulk o rings
    Metal Luxury Key Ring Bulk O Rings

    Metal luxury keyring bulk O-ring feature antiseptic and different surface treatments such as iron and spray paint. It has a silver color and customized sizes.


  • different colours aluminum bags belt seamless o ring
    Different Colours Aluminum Bags Belt Seamless O Ring

    These are made from eco-friendly materials. It is available in different colors including silver, green, yellow, blue, and more.


Aluminum O-Rings Application

At HM, we manufacture custom aluminum O-rings for a broad range of applications. These aluminum O-rings are manufactured for specific purposes. The most common application of our aluminum O-rings includes:

  • Electrical connector seals
  • Outdoor electrical enclosures
  • Electronic washer and seals
  • Weather seals for automotive
  • Water purification systems
  • Telecommunication enclosures for outdoor usage; and more

If you need to customize aluminum O-rings for your specific applications, contact us for assistance.


Aluminum O-Rings Application
CNC Aluminum O-Rings for a Wide Range of Industry

CNC Aluminum O-Rings for a Wide Range of Industry

At HM, we used advanced CNC technology for producing precise aluminum O-rings. Thus, allowing for the suitability, high quality, and adaptability for different industries. The most common industries that use HM aluminum O-rings include:

  • Manufacturing
  • Electronics
  • Food and beverage
  • Automotive
  • Agriculture, and more

We can customize aluminum O-rings to meet the highest standard of these industries.


HM Custom Aluminum O-Rings Capabilities

HM is a one-stop custom aluminum O-ring manufacturer in China. Our aluminum O-rings are available in 0.070” to 1” cord cross-sections. Aside from that, it is also available in a custom colors, sizes, metric sizes, and hardness. Dimensional tolerances of our aluminum O-rings are also customizable depending on your needs. We have also full capabilities in providing custom aluminum O-rings such as:

  • Special packaging
  • The custom formulation for mechanical properties
  • Different surface finish
  • Material selection
  • Hardness types
  • Multiple durometers
  • Bonding

Contact us for more custom aluminum O-ring services!


HM Custom Aluminum O-Rings Capabilities
Why HM Aluminum O-Rings

Why HM Aluminum O-Rings

At HM, you can have a diverse choice of aluminum O-rings options such as sizes, shapes, material quality, and compatibility. We are well-equipped with advanced CNC technology to produce high-quality aluminum O-rings.

HM is an expert in CNC milling, CNC turning, CNC drilling, along with other CNC processes and secondary operations. All our aluminum O-rings have undergone various CNC processing to ensure tight tolerances, dimensional accuracy, flexibility, and more.

HM aluminum O-rings are made from sturdy and superior strength aluminum alloy to ensure durability, long-life, and can withstand various application conditions.

You can send us your drawings or inquiries for custom aluminum O-rings.


Aluminum O-Rings Feature

CNC Machined Aluminum O-Rings
Custom CNC Aluminum O-Rings with Anodized Finish

Guaranteed High-Quality

All our aluminum O-rings have undergone stringent quality control and rigorous testing to ensure quality. Rest assured that these precise aluminum O-rings offer error-free mechanisms. Guaranteed that HM provides high-performance and sturdy aluminum O-rings.

Wide Range of Surface Treatment

All HM aluminum O-rings are well surface treated. Thus, providing a protective coating and additional aesthetics. HM surface treatment for aluminum O-ring includes:

  • Chemical chamfering
  • Polishing
  • Anodizing
  • Tempering
  • Sandblasting
  • Brushing, and more

We can customize surface treatment for aluminum O-rings according to your request.

Diverse Benefits and Advantages

Aluminum is a versatile, high-quality, and lightweight material. An aluminum alloy such as 6062, 3003, and more. These superior quality materials allow our aluminum O-rings to have the following properties:

  • Weather-resistance
  • Temperature-resistance
  • Waterproof
  • Oilproof
  • Lightweight
  • Corrosion-resistance


HM aluminum O-rings can be spring energized, gas-filled, vented, or pressurized. Thus, making it adaptable to specific conditions such as extreme pressure, high temperature, and high pressure.

Highly Customizable

HM aluminum O-rings are fully customizable based on your needs. We can custom aluminum O-rings such as their sizes, colors, durometer hardness, coatings, treatments, labeling, special bagging, and more. Contact HM for your custom aluminum O-ring requirements.




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What Are The Advantages Of Using Aluminum O Ring?

O ring products such as aluminum O ring are beneficial across various operating industries under different temperatures and low or high-pressure applications. 

Aluminum O Ring

Several advantages of using Aluminum O rings include but are not limited to:

  • Lightweight
  • Compact configuration
  • Convenient to install and sustain
  • Cost-effective
  • Reusable (relying on material and usage)
  • Extreme performance
  • High quality plated finish
  • Do not easily trust 
  • Durable
  • Resistant to corrosion

However, when used appropriately and with much care, aluminum O rings do not need altering and have a long functional life.


What Are The Prominent Applications Of Aluminum O Rings?

The following includes the extended applications of aluminum O rings.

Aluminum O Rings for High-Temperature Sealing

High-temperature sealing aluminum O rings are, as the name signifies, engineered to defy severe heat while maintaining a fixed seal between two surfaces or components.

This kind of aluminum O ring is ideal for top industries and circumstances such as 

  • oil and gas refineries
  • chemical processing

or any other procedure where a high-temperature aluminum seal is beneficial, such as performance transport usage like 

Aluminum O Rings for High-Pressure Sealing

Industrial O rings must possess high-pressure resistance noteworthy performance in high temperature and engaged conditions. 

Due to the aluminum O ring quality production, it is inconceivable for leaks occurrence, even under high pressure. 

Aluminum O Rings Seal for Engines.

Aluminum O Ring Engine

An aluminum O ring, especially one used in high-performance or turbo engines, is known for its rugged structure and material configuration. 

Aluminum O-ring offers exceptional and robust resistance to temperature, pressure, and chemical attack than a typical elastomer normally could.

Aluminum O Rings Seal for Plumbing.

Plumbing aluminum O ring choices are across-the-board, considering the scope of sizes and gauges ideal for any pipework applications. Even for the precise role you have in mind.

It is remarkably beneficial to create secured waterproof seals around taps and other fittings.

Food Grade Aluminum O Rings Seal

Aluminum O Ring FG

Food grade aluminum O rings production adheres to more strict measures of material composition. 

Aluminum O rings are tested and declared to be ‘food safe.’

Thus, they are suitable for food-related applications, such as meals and drinks preparation and production of dining products.

Aluminum O Rings Seal for Carbon Dioxide.

Carbon dioxide (CO2) often renders a problem for multiple O rings, as softer materials may soak the carbon dioxide over time and bulge up. 

This undesirable reaction can cause an unreliable seal in a short time, and over time the CO2 will lead the O ring to start to weaken down from within.

Remarkably, the Aluminum O ring is highly resistant to weathering, even in industrial atmospheres, gas, and acids that often corrode other metals such as carbon dioxide (CO2).

Aluminum O Ring Seals for Aircrafts

Aircraft O rings and aerospace o rings typically need to be highly chemical resistant. 

It should withstand a broad range of temperatures and pressures so that an aerospace powertrain will operate immaculately, efficiently, and without problems.

Typical usage is fuel cap gaskets, fuel o-rings, and valve cover seals.

Notably, Aluminum O rings are perfect for aircraft manufacture since it is lightweight and rigid. Aluminum O rings are approximately a third the weight of a steel O ring. 

Thus, allowing an aircraft to carry more weight and become more fuel-efficient. 

Furthermore, the aluminum O ring’s resistance to corrosion guarantees aircraft security and passengers.

Aluminum O Rings for Technical Rope Rescue

Working at height or Industries Rope Access needs reliable, robust, and quality gear such as aluminum O rings. 

The Aluminum O Ring is beneficial for work-at-height applications, such as industrial rope access or specialized rope retrieval. 

However, it must employ under the regulatory protection standards belongs. 

Consistently utilize life safety equipment and gear according to the regulatory safety standards vital for safety.


How Does Aluminum O Rings Function?

Aluminum O rings function as a path block that may otherwise permit a liquid or a gas to flee. 

The aluminum O ring is positioned into a furrow to attach them and then crammed between two surfaces. 

There is no more space for the O ring to move by squeezing the aluminum O ring. It obstructs the path of the liquid or gas, sealing them in place.

When the whole system experiences pressure, the aluminum O ring is pressed towards the opposite wall of the track, keeping an excellent seal even under very high or low pressures. 

When the pressure finishes, they gradually back to their original position, preserving a seal and readiness for the process.

In a nutshell, Aluminum O rings are the most practical means of guaranteeing a robust and reliable seal.


What To Consider When Choosing Aluminum O Ring Configuration?

Users of aluminum O rings should choose an O ring composition that suits the necessities they have in mind. 

To maximize the aluminum O ring benefits, the user must consider the following:

  • Aluminum O ring Quality
  • Aluminum O ring Quantity
  • Aluminum O ring Price
  • Application temperature
  • Aluminum O ring Sealing pressure
  • Aluminum O ring Chemical compatibility
  • Movement or action of the system
  • Aluminum O ring Lubrication 
  • And other relevant requirements


Does Aluminum O Ring a Great Product For Business?

Aluminum O rings suppliers and manufacturers value these products because they meet various needs and are marketable-sold by more than billions each year. 

You have to keep in mind that an aluminum O ring can come in a wide array of sizes. And are here to stay for a long time too.

Many entrepreneurs invest in aluminum O ring because it is a great product to earn money down the road and offers a fast return on investment.


How Does Aluminum O Rings Produce?

Aluminum O rings production undergo a combination of manufacturing procedures like:

  • Extrusion
  • Compression molding 
  • Injection molding
  • Transfer molding 
  • Machining


What Are Aluminum O Rings Specifications?

The following are the typical Aluminum O rings specifications.

  • Styles

Regular and vented/pressure balanced

  • Platings and coatings

Silver, gold, nickel, Polytetrafluoroethylene (PTFE), or others available as required

  • Temperature

Low Temperatures from -273°C t and Raised extended use to 1800°F. Brief bursts of temperature up to 1,200°C (2,200°F)

  • Pressure

From high vacuum to 500+ bar (7,252+ PSI)

  • Leak range

Approximately ≤ 1 x 10-4 Air to ≤ 1 x 10-9 He. 

The leak rate will rely on seal load, surface finish, and surface treatment.


How to Maximize Aluminum O Rings Benefits?

Here are practical steps a user can do to keep a quality aluminum O ring and maximize its advantages, depending on the situational needs:


The user should ensure that the groove or gland does not contain metallic pieces during the installation process, as it may carve the aluminum O ring. 

Install the aluminum O ring without turning or torquing it for a consistent seal. 


The surfaces of aluminum O rings should have a light layer of lubricant, which will extend their service life. 


Aluminum O rings maintenance requires soap and water- it is the least harmful and helps keep an O ring protected. 

Solvents such as trichloroethylene and carbon tetrachloride can harm an O ring and are dangerous.


A fundamental rule for all motorized components is to have reserves on hand. 

In the case of aluminum O rings, they have to be carefully kept at room temperature and out from ultraviolet or sunlight, which can harm the O ring‘s outer layer.

Thermal Degradation

Thermal degradation can be avoided by not placing it in conditions beyond its temperature rating. 

The aluminum O ring temperature tolerances range between 200 and 250°C (392 and 482°F).


Aluminum O rings extrusion is very evident. O rings act as a sealant between two surfaces. 

A portion of the O ring can get caught in between, known as extrusion. If it goes unnoticed and unprepared, seepage and leaks can happen.

 It is vital to replace the aluminum O ring immediately.


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