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Best Mini Mill for CNC Conversion: A Comprehensive Guide

In recent years, CNC (Computer Numerical Control) technology has transformed the manufacturing industry, streamlining processes and allowing for more precise and efficient production. With the right tools, you can bring the power of CNC to your workshop and unlock a world of possibilities. One such tool is a mini mill, which can be converted into a CNC machine with some modifications and upgrades.

Why Convert a Mini Mill to CNC?

Converting a mini mill to CNC offers several advantages. Firstly, it allows for greater precision and accuracy, enabling you to produce more intricate and complex parts. Secondly, it increases productivity by automating the milling process, saving time and effort. Additionally, CNC machines offer greater repeatability, ensuring consistent results with each operation. With these benefits in mind, let's explore the best mini mill options for CNC conversion:

1. XYZ Mini Mill

The XYZ Mini Mill is a popular choice among DIY enthusiasts looking to convert their mill into a CNC machine. With its robust construction and reliable performance, it provides a solid foundation for a successful conversion. The XYZ Mini Mill offers excellent value for money, making it a top contender in the market.

2. Grizzly G0704

The Grizzly G0704 is another highly recommended mini mill for CNC conversion. It features a powerful motor and a rigid design, ensuring stability during milling operations. With its user-friendly interface and compatibility with CNC conversion kits, the Grizzly G0704 is a versatile option for hobbyists and professionals alike.

3. Sieg X2 Mini Mill

The Sieg X2 Mini Mill is a compact and affordable choice for CNC conversion. It offers decent power and precision, making it suitable for small-scale projects. While the Sieg X2 may require some additional modifications to achieve optimal performance, it remains a popular option due to its affordability and versatility.

4. Taig Mini Mill

The Taig Mini Mill is a well-regarded machine often chosen for CNC conversion. Its small size and sturdy construction make it ideal for limited workshop spaces. With the right aftermarket parts and accessories, the Taig Mini Mill can be transformed into a powerful CNC machine capable of handling various materials.

5. Harbor Freight 44991

For those on a tight budget, the Harbor Freight 44991 mini mill provides an affordable platform for CNC conversion. While it may require more effort and modifications compared to higher-end models, it can still deliver respectable results when equipped with the necessary upgrades.

Considerations for CNC Conversion

Before diving into the world of CNC conversion, there are a few key factors to consider:

  • Budget: Determine how much you're willing to invest in the conversion process. Higher-quality machines tend to offer better performance but come at a higher cost.
  • Compatibility: Ensure that the mini mill you choose is compatible with CNC conversion kits or has sufficient aftermarket support.
  • Technical Skills: Assess your technical skills and comfort level with modifying and upgrading machinery. CNC conversion may require some mechanical and electrical knowledge.
  • Project Requirements: Consider the types of materials and projects you'll be working on to determine the necessary specifications and capabilities of the CNC machine.

With these considerations in mind, you can select the best mini mill for your CNC conversion project, ensuring a successful and rewarding experience.


In conclusion, converting a mini mill into a CNC machine opens up a world of opportunities for precision machining and automation. The XYZ Mini Mill, Grizzly G0704, Sieg X2 Mini Mill, Taig Mini Mill, and Harbor Freight 44991 are all excellent options for CNC conversion, each offering its own set of advantages and limitations. Remember to carefully evaluate your requirements and budget before making a decision. With the right machine and the necessary modifications, you can embark on your CNC journey and unlock the true potential of your mini mill.

best mini mill for cnc conversion

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.


CNC Turning Service

CNC Turning Service

Our CNC Turning Service provides different sizes of roll shape work-pieces, the diameter range is from 0.5mm to 480mm, reaching tolerance +/-0.003mm.

CNC Milling Service

CNC Milling Service

Our milling machines and CNC centers are able to produce complicated structure part, five-axis devices produce multi-sides at one-time jag which bring high precision result

Sheet Metal Fabrication

Sheet Metal Fabrication

Our Sheet Metal Fabrication provides slicing, punching, bending, welding, painting and assembling for set products, unique tooling for each project to raise production efficiency

Aluminum Extrusion

Aluminum Extrusion

Our Aluminum Extrusion brings clients various shapes of aluminum parts, high efficiency for mass quantity, our precision extrusion mold control tolerance within 0.01mm

Forging Service

Forging Service

For some steel serious products, we apply Forging Service to make out their outer shape and them use CNC devices to start drilling, forming, rolling, cutting, etc.

Finishing Service

Finishing Service

Our Surface Finishing Service uses chemical or electro post-treatments after machining tasks are finished, normally includes Oxide, Anodizing, Passivation, E-Plating, Painting,etc.


CNC Brass Machining


CNC Machining Brass material is used for wide range components, we support clients to produce a variety of parts such as gears, locks, electronics, pipe fittings, etc.

CNC Copper Machining


CNC Machining Copper material is soft and easy to machining on different shape of components. We mostly produce copper components for electric devices by machining and stamping

CNC Aluminum Machining


CNC Machining Aluminum materials is one of our most used materials. We support clients to turning, drilling or milling on aluminum material from size 0.5mm to 470mm

CNC Stainless Steel Machining

Stainless Steel

CNC Machining Stainless Steel are common material for wide range components, we produce Stainless Steel turning parts, milling parts, high smoothness components, etc.

CNC Titanium Machining


CNC Machining Titanium material brings components superb features, we use titanium to produce high precision work-piece for clients from aircraft, aerospace, medical devices

CNC Plastic Machining


Our CNC Machining Plastic materials includes ABS, HDPE, LDPE, Nylon, POM, Peek, Polycarbonate, etc. We produce them in high precision and high smoothness.


Experienced Skills

Asianstar have long term experience in CNC machining service and built up skillful team servicing clients from designing to product

High Quality

Asianstar QC system controls the production following internal quality protocol, which make sure every procedure are working under quality demands

High Efficiency

Asianstar abundant facilities allows multiple machining process, we can support clients in rapid sampling/prototyping and quick order lead-time

Competitive Price

Asianstar has enough in-house facilities for all machining processes, so we can choose the best machining solutions to make the production cost lowest


  • Q1.Do you support ODM/OEM?

    Yes, we support ODM/OEM, we provide custom-made service for clients or even support clients on designing or improving

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