Machining services - Choose the best machining services for all your industrial needs

CNC machining has revolutionized the manufacturing industry by enabling the efficient production of custom metal and plastic parts. By uploading a CAD file, customers can obtain instant quotes, lead time, and design feedback. Skilled machinists program CNC machines based on these CAD models, ensuring precise cutting of metal and rigid plastic materials.

Alpha Contract Manufacturing Group offers enterprises whose expertise extends to rapid prototyping, small-batch machining, and high-volume production, catering to industries such as aerospace, medical, robotics, electronics, and industrial. All ACMG’s partners have certifications in ISO 9001:2015, ISO 13485, and AS9100D guarantee adherence to strict quality standards.

Looking for a machining services subcontractor?

Alpha’s industrial machining services

When it comes to machining services, there are several options to choose from. Alpha Contract Manufacturing Group offers industrial sub-contractors offering precision machining, CNC machining and subtractive manufacturing processes.

Precision machining services

Precision machining involves creating parts with extremely tight tolerances, and is an ideal process for industries and manufacturers that require high accuracy and intricacy. Whether you require intricate components or complex assemblies, ACMG offers you skilled engineers and technicians who will meticulously craft each piece with unparalleled precision and attention to detail. 

With state-of-the-art facilities and a commitment to delivering top-notch quality, we guarantee exceptional precision machining services!

CNC machining services

CNC machining (Computer Numerical Control) utilizes computer software to control the machining tools, resulting in precise and efficient production. ACMG is the solution for manufacturers looking for superior CNC machining services that will propel their processes to new heights of efficiency and precision.

From rapid prototyping to large-scale production runs, our state-of-the-art facilities in and meticulous attention to detail ensure that every component we manufacture meets the highest standards of quality and accuracy. 

Aerospace, automotive, medical, or any other industry, our CNC machining services guarantee exceptional results that will surpass your expectations.

Subtractive manufacturing services

The subtractive manufacturing process works with material being removed to shape the desired part. This process is commonly used for creating prototypes or custom parts.From CNC milling and turning to grinding and drilling, ACMG’s partners have skilled technicians and engineers that utilize advanced equipment to craft complex components with utmost precision and accuracy.

Our commitment to excellence ensures that every piece we produce meets the highest quality standards, no matter the industry or application. Whether you need single prototypes or high-volume production, Alpha Contract Manufacturing Group delivers unparalleled subtractive manufacturing services that guarantee exceptional results.

Take advantage of our different machining processes - Let ACMG help you select the most suitable option for your specific project.

What are the advantages of machining services?

1. Accurate and repeatable results

One of the notable benefits and uses of this manufacturing process lies in its ability to achieve high accuracy and repeatability in the production of various components for industries such as aerospace, automotive, consumer electronics, robotics, and medical devices. This is true for metal machining, plastic machining and others.

2. High precision machining services

CNC machining offers advantages in terms of precision and consistency, as it uses computer-controlled machines to remove material and shape it into the desired form. This level of control allows for the creation of complex geometries and intricate designs that may be difficult to achieve with other manufacturing methods.

3. Efficient prototyping and production

Additionally, CNC machining is suitable for both rapid prototyping and end-use production, providing flexibility in meeting different manufacturing needs. With its wide range of material compatibility and the ability to produce parts on demand, CNC machining has become a common and valuable process in many industries.

Alpha Contract Manufacturing Group is proud to offer reliable machining services!

Quality assurance when working with CNC machining service providers

To ensure the quality of the final products, quality assurance measures are implemented throughout the CNC machining process, including ISO certifications, ITAR registration, and additional inspections. These measures are crucial in maintaining the accuracy and precision of the machined parts.

  • The ISO 9001:2015, ISO 13485, and AS9100D certifications signify that the CNC machining service provider meets international standards for quality management systems in various industries, such as aerospace, medical, and industrial.
  • The ITAR registration ensures compliance with regulations related to the export and import of defense-related articles and services.
  • Additionally, additional inspections are conducted to verify the dimensional accuracy, surface finish, and overall quality of the machined parts.

These quality assurance measures provide customers with confidence in the reliability and performance of the custom metal and plastic parts produced through CNC machining.

What is industrial machining?

Machining is a precision manufacturing process that involves the removal of material from a workpiece using techniques like cutting, milling, and turning to create the desired shape or form.

What is CNC machining?

CNC machining, short for Computer Numerical Control machining, is a subtractive manufacturing process that employs computer-controlled systems to accurately and precisely remove material from a workpiece. This process enables the transformation of raw materials into desired shapes with exceptional accuracy and repeatability.

CNC machining requires skilled machinists who program computer-controlled machines using CAD (Computer-Aided Design) models. These machines are then capable of cutting various materials, such as metals and rigid plastics, with an unparalleled level of precision. The use of CAD models allows for complex designs and intricate geometries to be translated into tangible products. However, such complexity can pose challenges in terms of programming and execution.

The applications of machining in various industries

CNC machining has found extensive applications in diverse industries, including aerospace, automotive, consumer electronics, robotics, and medical devices. Initially developed during World War II to cater to the increasing demand for industrial products, CNC machining has evolved significantly with advancements in technology. Today, it stands as a versatile and indispensable manufacturing technique, providing exceptional benefits and opportunities.


What types of machining services are available?

Our machining services include CNC milling, CNC turning, drilling, grinding, and more. We cater to various industries, offering prototyping, small-scale production, and large-volume manufacturing.

There’s a wide range of machining processes available, each serving a unique purpose in creating precision parts and components.

Understanding the different types of machining processes is crucial for achieving precision in the manufacturing industry. From CNC machining to turning, milling, and grinding, each process has its unique advantages and applications. By utilizing these machining processes effectively, manufacturers can create high-quality components and parts for various industries.

CNC machining

One of the most commonly used machining processes is CNC (Computer Numerical Control) machining, which utilizes computer-controlled machines to create precise and complex parts.

A subcontractor with CNC machining capabilities can achieve high efficiency and great accuracy.


Another popular machining process is turning, which involves rotating the workpiece while a cutting tool removes material to create cylindrical shapes.


Milling is another common process where a rotating cutter removes material from a stationary workpiece to create flat surfaces, slots, and contours. When it comes to milling, there are various options to choose from, such as face milling, end milling, and slot milling. Each technique offers its own advantages and is suitable for specific applications.


Grinding is used to achieve high precision and smooth finishes by using an abrasive wheel to remove material.


There are also specialized machining processes such as drilling, which creates holes in materials, and broaching, which uses a toothed tool to remove material in a linear motion.

These processes, along with others like honing, lapping, and electrochemical machining, offer a wide range of options for creating precision parts from various materials.


What industries benefit from machining services?

Machining services play a crucial role in various industries, offering precise manufacturing solutions for a wide range of applications. With a focus on tight tolerances and exceptional quality, these services are particularly beneficial to the following industries:

Aerospace Industry

In the aerospace industry, precision machining services are essential for producing critical components that meet stringent specifications. Machining plays a key role in manufacturing parts for aircraft engines, structural components, landing gear, and avionics systems. With CNC machining, complex geometries can be achieved, ensuring optimal performance, weight ratio, and safety.

Automotive Industry

The automotive industry relies on machining services for the production of components with high precision and durability. From engine parts to transmission components, braking systems to suspension components, machining ensures the tight tolerances and excellent strength required for reliable and efficient vehicles. CNC machining allows for the rapid prototyping of new automotive designs and the production of one-off prototypes.

Electronics Industry

In the electronics industry, machining services are vital for creating intricate components used in devices such as computers, smartphones, and consumer electronics. CNC milling and turning enable the production of precise parts with complex geometries, while electrical discharge machining (EDM) is employed for cutting hard metals like copper with high electrical conductivity.

Medical Industry

Machining services play a critical role in the medical device manufacturing sector, where precision and quality are of utmost importance. These services are used to create intricate components for surgical instruments, orthopedic implants, dental tools, and diagnostic equipment. CNC machining ensures tight tolerances, complex geometries, and corrosion resistance, while the availability of a wide range of materials allows for the selection of biocompatible options.

Can machining services assist with prototyping?

Absolutely! Machining services, especially CNC machining, are ideal for rapid prototyping. We can quickly produce prototypes based on your designs, allowing you to validate and refine your product before full-scale production.


What materials can be machined?

When it comes to machining, the choice of materials is crucial for achieving desired outcomes. At our facility, we offer comprehensive machining capabilities for a wide range of materials, including metals, plastics, and composites. Each material offers unique properties and characteristics that are considered during the machining process. Here are some of the materials we work with:


  1. Aluminum and Aluminum Alloys: Aluminum and its alloys are lightweight yet durable, making them popular choices for various applications. Our CNC machining processes, including 3-axis milling and 5-axis indexed milling, allow us to create intricate features from aluminum rods. Common applications of aluminum machining include aerospace components, electrical applications, and industrial parts.
  2. Steel (including A2 Tool Steel): Steel is renowned for its strength and versatility. With our CNC machines and expert machinists, we can efficiently work with steel to produce parts with excellent wear resistance and mechanical properties. A2 Tool Steel, known for its high impact and fatigue strength, is a commonly machined steel in our facility.


  1. Common Plastics: We specialize in machining common plastics like ABS, acrylic, nylon, and polycarbonate. Whether you require precise components for the consumer products industry or automotive applications, our CNC machining capabilities deliver the required dimensional accuracy and surface finishes.
  2. Composite Materials: Composite materials, such as carbon fiber composites, offer a unique combination of strength and lightweight properties. Our CNC machines and skilled team can handle composite materials to create end-use parts for aerospace, automotive, and industrial applications. We ensure critical tolerances and standard finishes for optimal performance.


  1. Various Materials: Apart from metals and plastics, we work with a diverse range of materials. From heat-resistant ceramics to electrical insulating materials, we have the breadth of capabilities to accommodate your specific machining needs. Our dedicated team and state-of-the-art machine tools ensure precise results and quick turnaround for your projects.


What file formats are commonly accepted for machining services?

We accept 3D CAD file formats like STEP, IGES, and STL, which accurately represent the part’s geometry. These accurate drawings facilitate seamless communication between you and our machining team.


How to choose the right machining service provider?

When it comes to finding the perfect machining service provider, it’s essential to choose one that aligns with your specific needs and delivers top-notch results. The right machining service provider can make all the difference in the quality and efficiency of your manufacturing processes.

Here are some key features to consider when choosing a machining service provider:

  • Experience: Look for a provider with extensive experience in machining services. They should have a proven track record of delivering high-quality results and working with a wide range of materials.
  • Capabilities: Ensure that the machining service provider has the necessary equipment and expertise to handle your specific machining needs. Whether it’s CNC machining, milling, turning, or grinding, they should have the capabilities to meet your requirements.
  • Reputation: Research the reputation of the machining service provider. Read reviews, ask for references, and look for any certifications or awards they have received. A provider with a good reputation is more likely to deliver excellent results.
  • Competitive Price: While price shouldn’t be the sole determining factor, it’s important to choose a machining service provider that offers competitive pricing. Compare quotes from different providers to ensure you’re getting the best value for your money.

By considering these factors, you can choose the right machining service provider that meets your specific needs, delivers top-notch results, and offers competitive pricing.


What is ACMG’s machining service cost?

ACMG offers competitive and cost-effective machining services to meet the needs of both small and large businesses. The machining services provided by ACMG includes CNC milling, turning, grinding, tapping, boring, broaching, drilling, honing and lapping.

The cost for these machining services varies depending on the complexity of the project. Generally speaking, ACMG has a minimum charge for its machining services, while for larger projects, ACMG may also offer discounted rates. By simply uploading your CAD file, you can instantly generate a CNC machining quote. What’s more, our quoting service is entirely free of charge. We only require you to create an account to safeguard your intellectual property.


What are the benefits of outsourcing machining services?

Outsourcing machining services of all sizes can provide companies with a cost-effective solution and peace of mind, allowing them to focus on their core competencies and achieve greater operational efficiency.

By choosing to outsource their machining needs, companies can benefit in several ways.

  1. One of the major advantages of outsourcing machining services is cost savings. Instead of investing in expensive machinery and equipment, companies can simply rely on the expertise of professional machining service providers. This eliminates the need for capital investments and reduces operational costs in the long run.
  2. Outsourcing machining services ensures precision in the machining process. Professional machining service providers have the necessary skills and experience to deliver high-quality products with tight tolerances. They have access to advanced machining technologies and techniques that guarantee precision and accuracy, resulting in superior finished products.
  3. Outsourcing machining services also allows companies to free up their internal resources. By delegating the machining tasks to external experts, companies can focus on their core competencies and strategic objectives.