• ascnc@asianstarcnc.com

Mastering Brass CNC Machining: Techniques, Tips, and Applications

Brass is a popular material in many industries, from construction and plumbing to musical instruments and decorative pieces. Brass is a versatile and easily machinable metal, making it ideal for use in CNC (Computer Numerical Control) systems. In this article, we will delve into the world of brass CNC machining and explore the techniques, tips, and applications that will help you become a master of this craft.

Understanding Brass: Material Properties and Characteristics

Brass, a metal alloy primarily composed of copper and zinc, is known for its ease of machining, ductility, and corrosion resistance. It is also an excellent conductor of both heat and electricity, making it suitable for various applications. Brass comes in several different grades, each with its own specific composition and properties, which affects how it behaves during CNC machining.

Choosing the Right Brass for CNC Machining

When choosing the correct brass alloy for your project, consider the application and desired final product properties. For instance, leaded brass, which contains a small percentage of lead, provides improved machinability, making it perfect for intricate components that require tight tolerances. On the other hand, lead-free brass is ideal for applications where exposure to water or food is a concern.

Brass CNC Machining Techniques

Several techniques can be used to machine brass using a CNC machine, including milling, turning, and drilling. Here are some techniques to keep in mind when working with brass:

1. Milling: In brass milling, a rotating cutter removes material from the workpiece to create the desired shape. Brass is a soft metal, so using sharp cutting tools, slower spindle speeds, and higher feed rates can help prevent burrs and chatter.

2. Turning: In brass turning, a cutting tool moves linearly across the rotating workpiece to remove material, generating the desired profile. For optimal results, choose a turning insert with a positive rake angle and use a high feed rate.

3. Drilling: When drilling brass, it's essential to choose the right drill bit and adjust CNC settings to avoid tool breakage and ensure an accurate hole. Use a carbide or high-speed steel (HSS) drill bit, ensure proper lubrication, and set the spindle speed to a lower RPM.

Tips for Successful Brass CNC Machining

1. Tool selection: Choose sharp, high-quality tools designed for non-ferrous metals like brass. Carbide tools generally provide better wear resistance and longer tool life compared to HSS.

2. Coolant and lubrication: Proper lubrication is crucial when machining brass, as it helps prevent heat buildup, prolong tool life, and ensure a smooth finish. Use a water-soluble coolant or a vegetable-based cutting oil for best results.

3. Machining parameters: Adjust CNC settings to suit the properties of brass and selected tooling. For brass, aim for slower spindle speeds, higher feed rates, and appropriate depth of cut to minimize tool wear and tear and achieve the best finish possible.

4. Workholding: Securely hold the brass workpiece during machining using appropriate workholding devices such as vices, collets, or chucks. This ensures that the piece doesn't move or vibrate during machining, leading to a more precise result.

Brass CNC Machining Applications

Brass CNC machining is widely used across various industries, with the following being some of the most common applications:

1. Plumbing and fittings: Brass's corrosion resistance and durability make it an ideal material for producing plumbing components such as valves, fittings, and pipe threads.

2. Electrical components: Due to its excellent electrical conductivity, brass is frequently used for making connectors, terminals, and switches in the electronics and electrical industries.

3. Automotive: Brass is used in the automotive industry for producing precision-machined components, such as bushings, bearings, and gears.

4. Musical instruments: Many wind instruments, like trumpets, trombones, and saxophones, consist mainly of brass because of its acoustic properties and resistance to corrosion.

5. Decorative items: Brass's gold-like appearance makes it popular for creating stylish and decorative items, such as door handles, knobs, and furniture hardware.

In summary, brass CNC machining is a versatile and widely practiced technique that offers countless possibilities in various industries. By understanding the properties of brass, selecting the appropriate tools and techniques, and applying best practices in CNC machining, you'll be well-prepared to take on any brass CNC project with confidence.

brass cnc

CNC Brass Machining

CNC Brass Machining has very useful properties to produce metal parts.

Brass is soft and easy-machining material for machining components. It is common and popular material for different industries by CNC machining process.

CNC machining brass parts begin as a raw piece of metal which is fixed on cnc machine and starting turning or milling on it to create a desired shape or object.

In this process, a cutter removes brass from raw material into a perfect work-piece, its machining speed is much faster than other hard materials

CNC Brass Machining

Benefits of CNC Brass Machining

1/ CNC Machining Brass Parts are widely used in many fields, supporting very good functions

2/ CNC Machining Brass Parts are soft and tight in sealing function, suitable for many sealing structure

3/ Brass is easy for cutting and machining, its production efficiency is much higher than steel series

4/ Good propriety for forging or casting

5/ Heat transferring function very good, high resistance, rust proof, long durable using

6/ Easy for surface finishing treatment, electroplating is commonly used on brass parts

CNC Brass Machining

Composition And Property of CNC Machining Brass

Brass Property Alloy Type Content Melting Point Hardness Tensile Strength Density
Binary Copper & Zinc 900-940 °C HB80-110 315 MPa 8.53 g/cm3

Common Materials Code of CNC Machining Brass

Brass Alloy Workable Processes Surface Finishing for Brass Parts Materials Code
CNC Turning, CNC Milling, CNC Drilling, Molding, Forging, Fabrication, Welding, etc. Passivation, Anodizing, Plating, Chemical Polishing, etc. Brass 3600
Brass 2600
Bearing Bronze
Beryllium Bronze
other more Brass Alloy

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.

Advantages of Asianstar CNC Brass Machining

Strong Facilities

Asianstar many CNC machines allow us to produce various brass parts, different shapes, sizes, and structures are all well done by suitable solution

Long-term Skills

Asianstar professional engineers team has experience from year 2005, we produce many brass parts for world wide clients with expertise

Stable Quality

Asianstar QC system and QC tools guarantee our products are perfect result. We have procedures to control brass parts quality during production

Competitive Price

Asianstar aim to buildup partnership with clients, always choose best suitable facilities to carry out the components in competitive prices


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.


  • 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

  • Q2.Do You Have Stock
  • Q3.What Is Your Production Capacity?
  • Q4.Where Is Your Factory?
  • Q5.Can You Provide Samples?
  • Q6.How About Your After-sales Service?
Get The Best Quotes Now