If you want to produce high-quality machined parts with a sleek appearance, it’s essential to consider some critical factors related to CNC machining.

Here, we’ve gathered some basic information and important considerations to help you achieve the desired results.

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No. 10, Lane 11, Old Village, Daka, Dalingshan Town, Dongguan, China 523820
+86 13482668912
info@csproto.com

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Custom Online CNC Machining Services

Receive immediate online pricing for precision-machined metal components, covering everything from rapid prototyping to full-scale production. Strategically located in China’s premier manufacturing centers, We provide global delivery services with the fastest delivery time of 3 days.

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

Precision CNC Machining for Custom Components

Secure instant online quotes for bespoke CNC machining, ranging from rapid prototyping to mass production. Leveraging our extensive network of owned factories across China’s key manufacturing hubs, we ship globally with lead times starting at just 24 hours. Our fleet of over 700 advanced machines supports milling, turning, routing, EDM, drilling, and precision grinding, enabling us to tackle projects of any complexity. ISO-certified and committed to excellence, we guarantee unmatched precision and consistency for every part we produce.

Custom CNC Milling Services

With 200+ milling centers, including 3-axis, 4-axis and advanced 5-axis CNC mills, we can easily handle tight-tolerance parts and complex geometries in plastic and metal. Serving diverse industries and specializing in mold making.

CNC Milling 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 Turning Services

CNC Machining: Prototype to Production

From rapid prototyping to mass production, our scalable CNC solutions deliver consistent precision and fast turnaround for any volume.

CNC Machining Materials

Select from over 30 premium materials to meet your project’s functional and aesthetic needs. From aluminum and steel to brass, we supply high-quality stock for every custom CNC component.

metals

Aluminum

Aluminum

We specialize in aluminum CNC milling services, with excellent machinability and corrosion resistance. Ideal for aerospace and automotive parts, our aluminum CNC milling service ensures precise and hi

Color:
Alloys:	Aluminum 6061, 6061-T6.Aluminum 2024.Aluminum 5052.Aluminum 5083.Aluminum 6063.Aluminum 6082.Aluminum 7075, 7075-T6.Aluminum ADC12 (A380)
Price:
Lead Time:

Copper

Copper

Copper is known for its superior electrical conductivity and thermal properties, making it perfect for electrical components and heat exchangers.

Color:
Alloys:	Copper C101(T2),Copper C103(T1),Copper C103(TU2),Copper C110(TU0),Beryllium Copper
Price:
Lead Time:

Brass

Brass

Brass is durable and has a low friction coefficient, which makes it suitable for fittings, tools, and musical instruments that require precision.

Color:
Alloys:	Brass C27400,Brass C28000,Brass C36000
Price:
Lead Time:

Bronze

Bronze

Bronze is highly resistant to corrosion and metal fatigue, favored for bearings, bushings, and marine hardware.

Color:
Alloys:	Tin Bronze
Price:
Lead Time:

Steel

Steel

Steel is an alloy with high tensile strength and durability, commonly used in construction and automotive industries for its robustness.

Color:
Alloys:	Steel 1018, 1020, 1025, 1045, 1215, 4130, 4140, 4340, 5140, A36.Die steel,Alloy steel,Chisel tool steel,Spring steel,High speed steel,Cold rolled steel,Bearing steel,SPCC
Price:
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Stainless Steel

Stainless Steel

Stainless steel is renowned for its corrosion resistance, making it a prime choice for medical devices and food processing equipment.

Color:
Alloys:	Stainless Steel SUS201,Stainless Steel SUS303,Stainless Steel SUS 304,Stainless Steel SUS316,Stainless Steel SUS316L,Stainless Steel SUS420,Stainless Steel SUS430,Stainless Steel SUS431,Stainless Steel SUS440C,Stainless Steel SUS630/17-4PH,Stainless Steel
Price:
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Magnesium

Magnesium

Magnesium is the lightest structural metal, offering high strength-to-weight ratios, perfect for automotive and aerospace applications where weight is critical.

Color:
Alloys:	Magnesium Alloy AZ31B,Magnesium Alloy AZ91D
Price:
Lead Time:

Titanium

Titanium

Titanium boasts the highest strength-to-density ratio among metals, highly resistant to corrosion and fatigue, ideal for aerospace, medical, and marine applications.

Color:
Alloys:	Titanium Alloy TA1,Titanium Alloy TA2,Titanium Alloy TC4/Ti-6Al 4V
Price:
Lead Time:

Looking for custom solutions? Our engineering team supports your exact needs to deliver optimal results and reliable part performance.

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.

	Description
General Tolerances	Metals : ISO 2768-m
Precision Tolerances	Cesar 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.

Rapid Prototyping

Address critical time-to-market needs by providing flexibility and economic efficiency for iterative development before full-scale production.

Utilize aluminum or steel molds, which are perfect for rigorous testing and iterative processes.
Typically single cavity, allowing for precise control during the prototype phase.
Efficiently produce anything from a single unit to small batches (up to 2,000 units), facilitating quick market testing and design validation.

High-Volume Production

Support large-scale manufacturing demands, effectively overcoming common production challenges and offering on-demand production capabilities.

Durable steel molds designed for high repeatability across extensive production runs.
Available in single or multi-cavity configurations to optimize productivity and cost-efficiency.
Ability to scale production seamlessly to meet large order demands, ensuring consistent quality and timely delivery.

Injection Molding
for Various Industries

From automotive to electronics, Cesar’s injection molding services deliver reliable, cost-effective solutions to fit the custom demands of each industry.

Aerospace

Automotive

Automation

Electronics

Robotics

Consumer Products

Injection Molding
Timeline

Why
Choose Us

/01

High Quality Parts

Our ISO-certified factories do in-process checks and post-production tests to make sure every custom molded part is precise and consistent, no matter how complex.

/02

Fast Lead Time

We use certified local factories and a strong supply chain to speed up product development, delivering plastic parts in as little as 2 weeks.

/03

Engineering Support

Talk to our experts with 10+ years of experience in injection molding for help with mold design, material selection, and finishes—making the whole process smoother.

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.

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.

Radii

Sharp internal corners will naturally form radii
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
Cesar 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.

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