Custom Online CNC Machining Services

Get instant online quotes for metal and plastic machined parts, from rapid prototyping to production. Based in China’s manufacturing hubs, we ship globally with lead times as fast 1 day.

20,000+ customers in over 120 countries & regions trust XCD to manufacture their custom parts

CNC Machining Services for Custom Parts

XCD delivers custom online CNC machining services from rapid machining to high-volume production, shipping globally from China’s owned CNC factories and manufacturing network. With 700+ CNC machines for milling, turning, routing, EDM, drilling, and precision grinding, we handle both simple and complex parts with lead times as fast as 1 day. Backed by ISO certifications, we ensure precision and consistency every time.
Custom CNC Milling Services

Custom CNC Milling Services

CNC milling, turning & precision machining for prototypes and end-use parts. ±0.001″ tolerance, 0.020″ thin walls, 1-day lead times.

Custom CNC Turning Services

Custom CNC Turning Services

With our CNC lathes, turning centers, and mill-turn machines, we can create cylindrical-shaped workpieces, also for square or hexagonal-shaped raw materials. Turned prototypes and production parts delivered in just a few days.

CNC Machining for Prototyping to Production

Whether you require rapid machining, small-batch machining or high volume manufacturing, XCD offers CNC machining solutions that scale with your project, maintaining quality, precision and fast turnaround times.

China’s CNC Machine Shops. Ship Globally

XCD’s robust network of CNC facilities in China ensures 1-day lead times for CNC parts. Equipped with standard CNC machines, including grinders, wire cutters, and EDM machines, plus automated production lines. We provide precise manufacturing, smooth communication, and reliable global shipping for prototypes and production orders.
700+
Machines Set
0.001''
Tight Tolerance
1 Day
Fast Lead Time
Get a tailored material assessment!

CNC Machining Surface Finishes

We offer 10+ surface finish options for your CNC prototypes and full production parts. Our extensive options allow you to match finishes to your parts’ specific requirements and applications.

As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.
Anodizing increases corrosion resistance and wear properties, while allowing for color dyeing, ideal for aluminum parts.
A brushed finish creates a unidirectional satin texture, reducing the visibility of marks and scratches on the surface.
Electroplating bonds a thin metal layer onto parts, improving wear resistance, corrosion resistance, and surface conductivity.
Heat treatment alters the mechanical properties of metal to increase its hardness, strength, or ductility.
Polishing achieves a high gloss finish, reducing surface roughness and enhancing the aesthetic appeal of metals.
Powder coating applies a thick, wear-resistant layer with excellent color and texture options, suitable for a variety of surfaces.
Sand blasting uses pressurized sand or other media to clean and texture the surface, creating a uniform, matte finish.

Customer Success Story

XCD partners with companies across automotive, aerospace, medical, electronics, and robotics industries. From individual innovators to Fortune 500 enterprises, we provide CNC machining solutions trusted worldwide.

CNC Machining for Various Industries

From automotive to aerospace, XCD’s CNC machining meets the precise needs of diverse industries. We work with independent inventors, designers, and large-scale companies, serving over 20,000 customers worldwide.

Tolerances for CNC Machining

With strict adherence to industry tolerances, our CNC machining services ensures consistent accuracy for all CNC machined parts, allowing each component to integrate perfectly.

General Tolerances

Metals : ISO 2768-m | Plastics : ISO 2768-c

Precision Tolerances

XCD can manufacture and inspect parts with strict tolerances according to your drawing specifications and GD&T annotations, including tolerances tighter than +/- 0.001 inches.

Min Wall Thickness

0.5 mm

Min End Mill Size

0.5 mm

Min Drill Size

1 mm

Maximum Part Size

CNC Milling: 4000×1500×600 mm CNC Turning: 200×500 mm

Minimum Part Size

CNC Milling: 5×5 ×5 mm CNC Turning: 2×2 mm

Production Volume

Prototoyping: 1-100 pcs | Low volume: 101-10,000 pcs | High volume: Above 10,001 pcs

Lead Time

5 bussiness days for most projects.

Description
General Tolerances Metals : ISO 2768-m
Plastics : ISO 2768-c
Precision Tolerances XCD can manufacture and inspect parts with strict tolerances according to your drawing specifications and GD&T annotations, including tolerances tighter than +/- 0.001 inches.
Min Wall Thickness 0.5mm
Min End Mill Size 0.5mm
Min Drill Size 1mm
Maximum Part Size CNC Milling: 4000×1500×600 mm
CNC Turning: 200×500 mm
Minimum Part Size CNC Milling: 5×5 ×5 mm
CNC Turning: 2×2 mm
Production Volume Prototoyping: 1-100 pcs
Low volume: 101-10,000 pcs
High volume: Above 10,001 pcs
Lead Time 5 bussiness days for most projects.
Delivery of simple parts can be as fast as 1 day.

Precision CNC Machining with Guaranteed Quality

Your success depends on reliable parts. Our CNC machining services provide precision machining with a 90% first-pass yield. You can get quality CNC machined parts for both prototypes and production runs.
cnc quality accurance

Cerfications

Our ISO 9001 certified CNC machining facilities, together with ISO 13485, ISO 14001, and IATF 16949, meet the highest international standards for quality and compliance.
 

Expertise

We have more than 30 quality engineers and over 20 advanced inspection tools such as CMMs, 2D measuring systems, and XRF analyzers. This ensures accurate dimensions and consistent performance in every project.

Transparent Process

Each stage, from raw material to final inspection, follows strict quality control procedures. Full traceability and documented checks give customers worldwide confidence in every delivery.

Design Guidelines for CNC Machining

Optimize your parts for cost-effective CNC manufacturing with our design guidelines. Our engineers provide design-for-manufacturability (DFM) feedback before production, helping you move smoothly from prototyping to production.
Guideline Description Notes
Radii Sharp internal corners will naturally form radii
Drill depth
≤ 12× diameter
Drill depth
≤ 12× diameter
Ensures smooth corner transitions for CNC parts.
Threads and Tapped Holes Thread depth specifications
Φ 1.5–5 mm
3× diameter
Φ ≥ 5 mm
4–6× diameter
XCD can produce threads of any specification.
Undercuts Thread depth specifications:
Square profiles Full radius Dovetail profiles
Customizable for specific part geometries.
Text CNC Milling:
Min width
0.5 mm
Max width
0.1 mm

CNC Turning:
Uses laser marking technology
Standard text via CNC or laser engraving, customizable per requirements.

Need Custom Specifications? Our engineering team can work with your specific requirements
to achieve optimal manufacturability and part quality.

Why Choose Us

/01
High Quality Parts

Our ISO-certified CNC machining produces precise, reliable parts with strict inspection for fit and performance.

/02
Fast Lead Time

With local workshops and a network of CNC machine shops, we offer fast CNC machining capabilities and quick turnarounds, including lead time as fast as 1 day.

/03
Engineering Support

Rely on our team for all your CNC machining needs. Our specialists provide support to maximize design efficiency and quality.

XCD CNC Machining Solutions

Rapid Prototyping

Accelerate product development with our rapid machining services. We offer fast turnaround times and specialize in quick production of high-quality prototypes and mold tooling, aiding your design verification process.

Low and High-Volume Production

Whether you need small batches or large-scale production, we can offer you both. With stringent tolerance controls and comprehensive capabilities, we adapt to your volume requirements without compromising on quality.

A Robust Network of CNC Machine Shops

CNC machining begins with a computer design of a part. Machines then precisely remove material to turn the design into a real machined part. This cutting can be done from different angles using machines that have 3, 4, or 5 moving parts, known as axes.

 

At XCD, we have our own main CNC machine shop and a broad network of partner shops throughout China. Our facilities aren’t limited to just basic CNC machines. We also have grinders for smoothing surfaces, wire cutters for precise cuts, and EDM machines for detailed shapes. This variety allows us to tackle complex designs that produce unique CNC machined parts with specific requirements. Our skilled machinists work with exceptional accuracy, achieving tolerances as precise as 0.01mm. This level of detail is crucial for components that must fit perfectly into larger assemblies.

 

We also use automated production lines. These are setups where machines work together smoothly and quickly, which helps us produce large quantities faster and reduces the chance of errors. This efficiency means we can deliver quality machined parts quickly to meet our clients’ needs, keeping projects on schedule.

700+

Sets of Machine

120+

Countries Shipped

20,000+

Customers Served

Ultimate Guide to CNC Machining

CNC Machining FAQs

Certainly! At XCD, we have the capacity to manufacture over 10,000 diverse prototypes each month, ranging from straightforward to complex designs. Our production capabilities are supported by more than 200 state-of-the-art CNC machines. We also take pride in our team of over 100 skilled technical experts who ensure precision and quality in every project. This extensive infrastructure allows us to meet large-scale demands efficiently, making us a reliable partner for all your CNC machining needs. Whether your project is big or small, our resources are geared to deliver with excellence.
The lead time for receiving a CNC machined part from XCD can vary depending on several factors including the complexity of the part's design, the type of material selected, and our current production schedule. CNC machining is known for its speed, particularly for less complex parts, allowing for quick turnaround times. In fact, parts can be delivered in as fast as just one day after the machining setup is complete! However, for the most accurate time estimate tailored to your specific project, we recommend contacting us directly for a detailed quote. This way, we can provide you with a precise timeframe based on your unique requirements.
At XCD, every product goes through strict verification—from trial production and inspection testing to customer confirmation—before shipment. Our quality assurance process ensures that all parts meet the agreed specifications before delivery, minimizing the risk of nonconformities. We take pride in our precision and reliability, and every shipment is the result of a joint confirmation between our engineers and customers.
At XCD, we understand the diverse needs of our customers, ranging from single prototypes to large-scale production runs. Consequently, we do not enforce a strict minimum order quantity (MOQ). Whether you require just one machined part or thousands, we are equipped and ready to provide tailored solutions that meet your specific requirements. Our flexible approach ensures that all clients, regardless of order size, receive the highest level of service and quality.
Advantages of CNC Machining Precision and Repeatability: CNC machining ensures high precision and consistent replication of parts, crucial for complex designs with tight tolerances. Reduced Human Error: The automated nature of CNC machining minimizes human error, enhancing the overall quality of production. Efficiency and Speed: Automation allows for faster production cycles, enabling quicker turnaround times than manual processes. Material Flexibility: CNC machines can work with a diverse range of materials, including metals, plastics, and composites, offering versatility across various applications. Software Integration: Advanced CNC software supports quick design changes and updates, facilitating rapid prototyping and easy customization. Cost-Effective for Large Runs: While setup costs are higher, per-unit costs decrease significantly with larger production volumes, making it cost-effective for mass production. Disadvantages of CNC Machining High Initial Costs: CNC machinery and its maintenance represent significant investments, making initial setup expensive, especially for small-scale operations. Skill Requirements: Operating CNC machines requires highly skilled personnel, which can increase training costs and limit accessibility. Less Cost-Effective for Small Runs: Due to setup and programming time, CNC machining may not be economical for producing small quantities of parts. Material Waste: CNC machining often involves subtractive processes, leading to more material waste compared to additive manufacturing. Limited to Material Hardness: Extremely hard materials can wear out CNC tools quickly, potentially increasing operational costs and downtime.
CNC machining has a wide range of applications across industries. In the automotive and aerospace sectors, it is used to fabricate precise engine components, structural parts, and other intricate elements. The medical industry leverages CNC for manufacturing devices, implants, and surgical instruments. CNC is also crucial in electronics, enabling the production of electronic housings, circuit boards, and connectors. Machine tool makers rely on CNC to create complex molds, dies, and machine components. Additionally, CNC is valuable for general custom part production, prototyping, woodworking, and more, allowing for consistent quality and high precision.
A machining center is a highly advanced CNC machine designed to handle a variety of machining tasks including milling, drilling, and tapping, all within a single setup. This integration enhances efficiency and accuracy by reducing the need to transfer parts between different machines. Machining centers are equipped with a tool turret or magazine that holds multiple tool options, enabling automatic tool changing under CNC control. This capability allows for rapid switching between operations, optimizing production flow. Typically, machining centers are used for complex parts that require precision machining from multiple angles, making them indispensable in modern manufacturing environments.
G and M codes are the programming languages used in CNC machining to control CNC machine tools. G-codes are primarily used for specifying the movements of the machine, such as linear interpolation, circular movements, and other specific functions related to the actual path of the tool. M-codes, on the other hand, handle machine functions that are not directly related to the path of the tool, such as turning the machine on or off, starting or stopping the spindle, and controlling coolant. Together, G and M codes provide a comprehensive set of instructions that CNC machines follow to produce parts accurately and efficiently.
CNC machining is renowned for its ability to achieve high precision and tight tolerances, essential for complex and detailed parts. Typically, standard CNC machining can maintain tolerances within ±0.01 inches (±0.127 mm). XCD defaults to standardized tolerances without special requirements. For even more precise requirements, advanced CNC machines can achieve tolerances as tight as ±0.0005 inches (±0.0127 mm) under optimal conditions. The achievable tolerance depends on several factors including the material, part geometry, size, and the specific type of CNC machine used. This capability makes CNC machining a preferred choice for industries that require highly accurate components, such as aerospace, medical, and automotive sectors.

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