CNC Machining Services for Custom Parts and Precision Manufacturing
CNC machining is a manufacturing process that removes material using computer-controlled tools to create precise parts. At 6 CNC, we provide CNC machining for custom parts that require tight tolerances, consistent quality, and reliable delivery.
We work with engineering teams, OEM buyers, and product developers who need parts that perform as designed. Whether you’re validating a prototype or scaling to low-volume production, we help you control cost, reduce risk, and avoid delays.
- One-stop solution (machining + finishing)
- Fast turnaround & reliable delivery
- Competitive pricing for low-volume production
Trusted byindustry leaders
A CNC Machining Company Built for Real Production Needs
We run a dedicated CNC machining factory equipped with 3-axis, 4-axis, and 5-axis machining centers, CNC lathes, and grinding systems. This setup allows us to handle complex geometries and multi-process parts in a single workflow.
6 CNC operates more than 40 CNC turning machines, supporting stable output for rotational components . Our machining capability reaches tolerances as tight as ±0.002 mm . This level of control helps prevent assembly issues, rework, and downstream failures.
As a CNC machining manufacturer, we focus on parts that require precision and repeatability. You won’t deal with production shortcuts or inconsistent batches.
Our CNC Machining Services On Demand
Precision CNC Machining Service That Protects Your Quality
Our precision CNC machining service is built for applications where failure is not acceptable. Aerospace brackets, medical housings, and robotic components all require exact dimensions and stable performance.
We use CMM inspection systems to verify critical dimensions at each stage. Surface finishes can reach Ra 1.6 , which supports sealing surfaces and wear resistance.
If your tolerance stack is tight, small deviations can cause fit issues or product failure. We control that risk by aligning machining strategy with your functional requirements, not just your drawings.
CNC Machining Solutions That Fit Your Production Stage
Different projects need different production strategies. We provide CNC machining solutions that match your stage, whether you’re prototyping or preparing for production.
For early development, we help you validate design quickly. For small-batch runs, we stabilize quality and reduce variation. Our typical production range is 1 to 600 parts, which supports flexible iteration without tooling investment.
This approach reduces upfront cost and gives you more control over design changes. You don’t have to commit to large volumes before you’re ready.
CNC Machining Materials
6CNC offers a wide range of materials to choose from for the production of your CNC-machined parts.Each material behaves differently under machining. For example, aluminum allows faster cutting speeds and lower cost. Titanium offers strength but increases machining time. We guide you to the right balance based on your priorities.
Metal
Aluminum (7 types)
Aluminum offers an excellent balance of strength and weight, making it a preferred choice for mechanical components. Its natural oxide layer provides reliable resistance against corrosion, even in demanding environments.
Available Grades:
- Aluminum 6061
- Aluminum 6063
- Aluminum 6082
- Aluminum 7075
- Aluminum 2024
- Aluminum 5052
- Aluminum A380
Explore more: Aluminum CNC Machining Services
Stainless Steel (6 types)
6CNC delivers high-precision stainless steel CNC machining for durable, custom-engineered parts. From rapid prototyping to full-scale production, we support demanding applications across global industries with consistent quality and tight tolerances.
Available Grades:
- Stainless Steel 201
- Stainless Steel 301
- Stainless Steel 303
- Stainless Steel 304
- Stainless Steel 316
- Stainless Steel 416
Explore more: Stainless Steel CNC Machining Services
Brass (9 types)
6CNC provides precision brass CNC machining for custom parts and prototypes, delivering excellent surface finishes, tight tolerances, and efficient production turnaround.
Available Grades:
- Brass C35600
- Brass C36000
- Brass C37700
- Brass C37000
- Brass C37100
- Brass C28000
- Brass C26000
- Brass C24000
- Brass C22000
Explore more: Brass CNC Machining Services
Copper (4 types)
6CNC delivers high-precision copper CNC machining for custom parts, ensuring outstanding electrical conductivity, dimensional accuracy, and long-term reliability across demanding applications.
Available Grades:
- Copper C11000
- Copper C12000
- Copper C12200
- Copper C10100
Explore more: Copper CNC Machining Services
Titanium (5 types)
6CNC offers precision titanium CNC machining for aerospace, medical, and automotive applications. We manufacture high-accuracy, high-strength components to your exact specifications, even for complex geometries and tight tolerances.
Available Grades:
- Titanium Grade 2
- Titanium Grade 5 (Ti-6Al-4V)
- Titanium Grade 7
- Titanium Grade 9 (Ti-3Al-2.5V)
- Titanium Grade 23 (Ti-6Al-4V ELI)
Explore more: Titanium CNC Machining Services
Steel (6 types)
Mild steel features low carbon content, making it easy to machine, weld, and form while still providing reliable mechanical strength at a cost-effective price point. It’s widely used for structural components, fixtures, and general engineering parts.
Available Grades:
- Steel S235JR | 1.0038
- Steel C45 | 1.0503
- Steel S355J2 | 1.0570
- Mild Steel 1045
- Mild Steel A36
- Mild Steel 1018
Explore more: Steel CNC Machining Services
Alloy Steel (5 types)
6CNC manufactures precision alloy CNC machined parts using advanced machining technologies, ensuring consistent quality, high strength, and reliable performance across demanding applications.
Available Grades:
- 4140 Steel
- 4340 Steel
- 1215 Steel
- 16MnCr5
- Specialty Alloys
Explore more: Alloy CNC Machining Parts
Tool Steel (6 types)
Tool steel is engineered for high hardness, wear resistance, and dimensional stability, making it ideal for molds, dies, cutting tools, and other high-stress applications.
Available Grades:
- Tool Steel A3
- Tool Steel H13 | 1.2344
- Tool Steel S7
- Tool Steel O1
- Tool Steel A2 | 1.2363
- Tool Steel D2 | 1.2379
Explore more: Tool Steel CNC Machining Services
Plastic
Polycarbonate (PC) (1 type)
Polycarbonate CNC machining enables the production of precise, durable parts with excellent impact resistance and optical clarity. 6CNC delivers custom components tailored to your specifications, ideal for industrial, medical, and electronic applications.
Material:
- Generic Polycarbonate (PC)
Explore more: Machining Polycarbonate Services
Nylon (1 type)
Nylon CNC machining allows the creation of precise, durable, and lightweight components suitable for a wide range of industrial applications. 6CNC provides high-quality custom nylon parts, delivering reliable performance and excellent wear resistance.
Material:
- Nylon 66
Explore more: Nylon CNC Machining Services
ABS (1 type)
Aluminum offers an excellent balance of strength and weight, making it a preferred choice for mechanical components. Its natural oxide layer provides reliable resistance against corrosion, even in demanding environments.
Available Grades:
- Aluminum 6061
- Aluminum 6063
- Aluminum 6082
- Aluminum 7075
- Aluminum 2024
- Aluminum 5052
- Aluminum A380
Explore more: Aluminum CNC Machining Services
POM (2 types)
Delrin CNC machining produces strong, low-friction, and dimensionally stable parts, ideal for gears, bearings, and precision components. 6CNC manufactures high-accuracy custom Delrin (POM) parts to meet your exact specifications.
Available Grades:
- Delrin 150
- Delrin 100 (AF)
Explore more: Machining Delrin (POM) Services
Polypropylene(PP) (1 type)
Polypropylene CNC Machining
Polypropylene CNC machining enables the production of precise, lightweight, and chemical-resistant parts with tight tolerances. 6CNC provides reliable custom components tailored to your specifications for a variety of industrial and consumer applications.
Explore more: Polypropylene CNC Machining Services
PTFE (Teflon) (1 type)
PTFE CNC machining enables the production of chemical-resistant, low-friction, and high-performance parts suitable for demanding industrial applications. 6CNC delivers precise custom Teflon components tailored to your specifications.
Explore more: Teflon CNC Machining Services
PMMA (Acrylic) (4 types)
Acrylic CNC machining allows for precise cutting and shaping of clear, durable parts with smooth, polished surfaces. 6CNC provides custom acrylic components tailored to your specifications, ideal for displays, lenses, and protective covers.
Explore more: Acrylic CNC Machining Services
Polyethylene (PE) (1 type)
UHMW-PE CNC machining enables the production of highly durable, low-friction, and wear-resistant components. 6CNC manufactures precise custom polyethylene parts ideal for industrial, mechanical, and chemical applications.
Material:
- Generic UHMW-PE
Explore more: Machining UHMW Polyethylene Services
Carbon Fiber (1 type)
Carbon fiber CNC machining produces lightweight, high-strength composite parts with excellent stiffness and dimensional accuracy. 6CNC manufactures custom carbon fiber components tailored to demanding industrial, automotive, and aerospace applications.
Explore more: Carbon Fiber CNC Machining Services
PEEK (3 types)
FR4 is a flame-retardant glass fiber epoxy laminate widely used in electrical and electronic applications. It offers excellent mechanical strength, electrical insulation, and thermal stability, with properties comparable to G-10, making it ideal for circuit boards, insulators, and structural components.
Explore more: FR4 CNC Machining Services
FR4 (1 type)
Tool steel is engineered for high hardness, wear resistance, and dimensional stability, making it ideal for molds, dies, cutting tools, and other high-stress applications.
Available Grades:
- Tool Steel A3
- Tool Steel H13 | 1.2344
- Tool Steel S7
- Tool Steel O1
- Tool Steel A2 | 1.2363
- Tool Steel D2 | 1.2379
Explore more: Tool Steel CNC Machining Services
Rubber (6 types)
Rubber CNC machining enables the production of precise, custom-engineered rubber parts for a wide range of industrial and mechanical applications. 6CNC delivers reliable, high-quality precision solutions tailored to your specifications.
Available Materials:
- Hydrolysis Resistant PU
- EPDM
- FKM
- Nitrile
- Silicone
- Neoprene
Explore more: Rubber CNC Machining Services
Surface Finishes for CNC Machined Parts
In addition to precision CNC machining, 6CNC offers a comprehensive range of surface finishing options to enhance the performance, durability, and aesthetics of your parts. If your desired finish isn’t listed here, contact us—we can likely source it for you.
Polishing
(Ra 0.8μm / Ra 32μin or better) Creates a smooth, shiny surface through mechanical or chemical treatment for aesthetic or functional purposes.
Bead Blasting
Uses glass beads to produce a uniform grainy texture, minimizing visible machining marks.
Tumbled
Parts are vibrated in media to remove burrs and sharp edges, also helping reduce machining marks on exterior surfaces.
+ Anodized Type II
Aluminum parts are bead blasted to #120 grit then anodized Type II, enhancing corrosion resistance and cosmetic appeal.
Black Oxide
Conversion coating for steel that improves corrosion resistance and reduces light reflection.
Powder Coated
Powder is applied and baked to form a durable, wear- and corrosion-resistant finish, stronger than traditional painting.
Chromate Conversion Coating
Applied to aluminum and alloys to improve corrosion resistance while maintaining conductivity; often used as a base layer before painting.
Plating
Includes nickel, silver, gold, zinc, chrome, tin, and more. Enhances corrosion resistance, appearance, solderability, and electrical conductivity.
Other specialized surface finishes are available. Learn more about our full metal and plastic surface finishing capabilities here.
Custom Machined Parts Supplier for Complex Components
As a custom machined parts supplier, we manufacture parts based on your CAD files or technical drawings. Our scope includes housings, brackets, shafts, flanges, connectors, gears, and precision assemblies.
Complex parts often require multiple setups and careful sequencing. We reduce alignment errors by using multi-axis machining and combined processes like turn-mill operations.
You get parts that match your design intent, without hidden compromises in geometry or function.
CNC Machining Production Service Without MOQ Pressure
Global Delivery
A CNC Machining Partner Focused on Outcomes
You don’t just need parts. You need parts that fit, function, and arrive on time. As a CNC machining company, we focus on those outcomes.
We review your design for manufacturability before production starts. This helps identify risks early, such as thin walls, deep cavities, or unrealistic tolerances.
By addressing these issues upfront, we help you avoid delays, rework, and unexpected costs.
FAQ About CNC Machining
What is your CNC machining tolerance capability?
6 CNC tolerance capability: CNC machining tolerance up to ±0.002 mm .
Actual tolerance depends on material, geometry, and part size.
Do you support low-volume CNC machining orders?
At 6CNC, there is no strict MOQ. We support orders starting from a single prototype up to small-batch production, making us a flexible partner for engineering and R&D projects.
How do you ensure part quality?
6 CNC quality control: CMM inspection + process-based checks.
Each critical dimension is verified before shipment to prevent fit or function issues.
Can you help improve my part design?
6 CNC engineering support: DFM review before production.
We identify machining risks and suggest improvements to reduce cost and lead time.
What affects CNC machining cost the most?
CNC machining cost drivers: material, tolerance, geometry, and quantity.
Tighter tolerances and complex shapes increase machining time and cost.