HDPE Machining Services

Get an instant quote on custom CNC HDPE machined parts with our online CNC machining service. Machine prototypes and production parts in as little as 3-5 days. Request an online quote today.

HDPE Machining Services

At Rally, we specialize in offering top-tier HDPE CNC machining services. Leveraging state-of-the-art technology, our skilled team can machine this robust, lightweight, and chemically resistant material with precision. Whether you need parts for industrial machinery, marine equipment, or food processing units, we deliver quality and consistency in every piece.

Our commitment to fast turnaround times and unmatched customer service make us the go-to choice for your HDPE CNC machining needs. With Rally, you don't just get parts, you get reliable and tailored solutions.

plastic machining services-plastic machining parts

Custom HDPE Machined Parts For Industrial Applications

  • Industrial Machinery Components: Custom-machined HDPE parts can be used for gears, bearings, washers, and more in various industrial machinery due to HDPE's strength and resistance to wear and chemicals.
  • Food Processing Equipment: HDPE is approved for contact with food, making it suitable for custom parts in food processing machines like conveyor components, cutting boards, and more.
  • Medical Devices: Due to their chemical resistance and ability to be sterilized, custom HDPE parts can be used in medical devices and equipment.
  • Automotive Components: HDPE's high strength-to-weight ratio makes it ideal for various automotive parts to reduce vehicle weight and improve fuel efficiency.

Our Capabilities For Machining HDPE

Custom Metal Parts
CNC Milling

This process uses rotating tools to remove material from the HDPE block in a controlled manner, creating a variety of parts with complex geometries.

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CNC Turning

Ideal for producing cylindrical or round parts, a CNC lathe spins the HDPE material while a cutting tool shapes it.

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CNC Drilling

CNC machines can accurately drill holes of various sizes and depths into HDPE, important for parts that require precise holes.

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CNC Grinding

For high-precision finishes and tight dimensional tolerances, our CNC grinding service is your ideal choice.

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Send your 2D or 3D file, get started HDPE machining project!

Why Choose Our HDPE Machining Services?


We use high-quality HDPE material, known for its strength, durability, and chemical resistance, suitable for a broad range of applications.


We can handle a wide array of machining techniques, such as CNC milling, turning, and drilling, catering to diverse part geometries and designs.

Quick Turnaround

Our efficient machining processes and dedicated team ensure quick turnaround times, helping you meet your project deadlines.


Whether you require a single prototype or large production runs, our services are scalable to meet your unique needs.

Instant Quote

Get An Accurate Quote For Your Projects. Send your 2D/3D drawings via email or online form.

  • Step 1. Upload Files
  • Step 2. Confirm Price
  • Step 3. Provide Samples
  • Step 4. Bulk Production
  • Step 5. 100% Inspection
  • Step 6. Delivery Goods

You will get an accurate quote within 24 hours!

Click or drag files to this area to upload. You can upload up to 6 files.

Features of HDPE material for CNC machining

High-Density Polyethylene (HDPE) is a popular thermoplastic material used in CNC machining due to its distinctive properties:

1. Machinability: HDPE is an easy material to machine and can be cut, drilled, and shaped effectively using CNC machines. It provides a good surface finish and has a low coefficient of friction.

2. Strength and Durability: HDPE has a high strength-to-density ratio. It's robust and impact-resistant, making it suitable for parts that require durability.

3. Chemical Resistance: HDPE is resistant to many solvents and has good chemical resistance, making it ideal for parts that might be exposed to various chemicals.

4. Lightweight: HDPE is lighter than many other materials, making it suitable for applications where weight is a consideration.

Frequently asked questions (FAQs) about HDPE machining

HDPE CNC machining is a manufacturing process that uses computer-controlled machines to manipulate High-Density Polyethylene material into desired shapes and sizes. HDPE is a popular thermoplastic due to its high strength-to-density ratio.

Due to its excellent strength, durability, and resistance to many chemicals, HDPE parts are used in a variety of applications including industrial machinery components, marine equipment, food processing machinery, and parts for medical devices.

HDPE is a robust and lightweight material that is easy to machine. It has a low coefficient of friction, is resistant to wear and abrasion, and withstands many types of chemicals, making it ideal for a variety of applications.

Machined HDPE parts can be finished in several ways, including sanding, buffing, and painting. However, it's worth noting that HDPE does not hold paint well without specific treatments and is often left in its natural state.

HDPE tends to machine well compared to other plastics. It has lower moisture absorption, better chemical resistance, and a higher strength-to-density ratio, but it has a lower maximum service temperature.

You will need to provide details such as the part's dimensions, the quantity needed, any specific finish or tolerance requirements, and the deadline for completion.

Of course, you need to pay the sample fee, and the sample fee will be deducted from the invoice after confirming the order.

Learn more about our other plastic machining

At RALLY, our expertise isn't limited to HDPE. We offer a comprehensive suite of plastic machining services, utilizing materials like Nylon, Acrylic, PEEK, and Polycarbonate. With our advanced technology and skilled technicians, we can realize your projects with precision and quality, regardless of the plastic type.

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Send Inquiry

Send your 2D/3D drawings via email or online form.

Confirm Order

Receive our quotation and then confirm the order to us.

Start Production

After receiving the order, we will arrange the production ASAP.

Machining HDPE: A Guide to Frequently Asked Questions

1. What is HDPE?

HDPE, or High-Density Polyethylene, is a durable and chemically resistant plastic material widely used in various industries. It is known for its high strength-to-density ratio, moisture resistance, and recyclability.

2. Why use HDPE for CNC machining?

HDPE is a popular choice for CNC machining due to its easy machinability, durability, and chemical resistance. It's also lightweight, cost-effective, and recyclable, making it suitable for a variety of applications.

3. Can HDPE withstand high temperatures?

While HDPE has many desirable properties, it has a relatively low melting point and may warp under high temperatures. It's crucial to consider the operating environment of your part before choosing HDPE.

4. How does the cost of HDPE machining compare to other materials?

HDPE is a relatively inexpensive material, which, coupled with its easy machinability, makes it a cost-effective choice for large production runs.

5. How precise is HDPE machining?

With CNC machining, HDPE can be cut and shaped with high precision, allowing for the creation of parts with complex geometries and tight tolerances.

6. What are some common applications of HDPE machined parts?

HDPE is used in numerous industries such as industrial machinery, marine equipment, food processing, healthcare, and more. Common parts include gears, bearings, dock bumpers, food-grade cutting boards, and medical device components.

7. What machining processes can be used on HDPE?

Most common CNC machining processes, including milling, turning, and drilling, can be used on HDPE. It's an easy-to-machine material that provides a good surface finish.

8. Can HDPE be painted or colored?

HDPE does not hold paint well unless it's specially treated. However, it comes in a variety of colors, reducing the need for painting in many applications.

Why Choose RALLY?

As a leading precision parts manufacturer in China, RALLY specializes in crafting HDPE parts and components. Our vast expertise and advanced equipment enable us to deliver superior CNC-machined HDPE parts to various industries. Beyond just CNC milling and turning of HDPE materials, we offer comprehensive fabrication and assembly services, ensuring end-to-end delivery of finished HDPE parts.

At RALLY, we serve as your complete solution for all manufacturing needs across diverse materials and parts. Leveraging years of industry experience, we develop optimal solutions for your projects, focusing on superior quality and precision in every task we undertake.

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