EN
Brass has been machined for centuries, yet it remains one of the most reliable metals for precision components. Whether you are prototyping a fitting or planning a production run, understanding how brass behaves under the cutter is the difference between a part that fits first time and a batch that needs rework.
brass cnc machining is popular for a simple reason: brass combines excellent machinability with attractive physical properties. It cuts cleanly with low tool wear, produces a smooth surface, and holds tight dimensional control without the chatter that troublesome metals cause. It also offers good corrosion resistance, natural low friction for moving parts, and strong electrical and thermal conductivity, which makes it a natural choice for terminals, connectors, valves, and instrument fittings.
Because brass machines so predictably, it is ideal for high-volume runs and for the kind of complex geometries that demand a capable partner. A reliable precision cnc machining shop can hold tolerances on brass that simply would not be economical on harder alloys.
Not all brass is the same. The two most common grades used in machining are C260 (cartridge brass) and C360 (free-cutting brass). C360 is the machinist's favorite because a small amount of lead improves chip breakage and feed rates, which is why it is often specified for screws, fittings, and threaded parts. C260 offers better strength and formability and is used where the component must withstand more mechanical load.
At ANOK, our custom cnc parts program covers both grades and supports a wider metal portfolio that includes aluminum, copper, titanium, stainless steel, and alloy steels. Whatever the application, the right alloy is selected against the part's function, environment, and tolerance requirement rather than guessed at.
Brass is one of the easiest metals to hold to a tight specification. Our cnc machining services routinely achieve tolerances down to ±0.002 mm on brass components, thanks to rigid machine centers and careful tool path planning. For complex geometries where the feature count is high, we still hold to about ±0.005 mm, which is more than enough for most electrical, fluid, and instrument applications.
Machining a part well is only half the story. Matching the right process to the feature is what separates a good shop from a great one. Cutting, turning, grinding, and wire cutting all bring different strengths, and the most efficient parts combine them.
A single brass part rarely needs just one operation. Cylindrical shafts, bushings, and threaded fittings are best produced on the lathe, where our high precision cnc turning handles parts up to 520 mm in diameter and 3600 mm long. Flat reference faces, right angles, and tight parallelism are finished with precision surface grinding, which holds ±0.002 mm and surface roughness down to Ra 0.4. For fine slots, small holes, and detail that a cutter cannot reach, wire EDM cuts cleanly with no heat damage.
Bare brass tarnishes over time, so a finishing step is often worth planning. Options range from polishing to a mirror Ra 0.2 finish, to protective treatments such as passivation, electroplating, and other coatings. Choosing the right finish depends on whether the part is a decorative face, a conductive contact, or a component exposed to moisture. Discussing the end environment early avoids costly rework later.
cnc machining supplier experience matters when parts must survive real-world conditions. Brass is everywhere in industry: in food and packaging machinery where corrosion resistance is essential, in medical and dental instruments where dimensional accuracy is critical, in communication hardware such as fiber-optic guide pins, and in marine and fluid systems that demand long service life. Choosing a partner who has machined brass across these sectors reduces the risk of a specification that looked good on paper failing in service.
ANOK Precision Manufacturing has been machining precision components in Shenzhen since 2007 and is ISO 9001:2015 certified, with a fleet of 50+ machining centers and nearly 15 CNC turning machines running around the clock. That experience with difficult materials and demanding tolerances carries directly into brass work, where we provide a true one-stop service from design-for-manufacturing review through machining, finishing, and assembly.
Ready to bring your brass part from drawing to delivery? Send your 2D or 3D file to our team and get an accurate quote on machining, finishing, and lead time. Talk to us at ANOK Precision Manufacturing and let your next component be one that fits first time.