CNC Milling Services

On-demand CNC milling services for rapid prototypes and production parts. Get custom milled parts from various high-quality metals and plastics.

RapidDirect 3 to 5-Axis CNC Milling Service

From 3-axis basics to intricate 5-axis projects, our precision CNC milling makes your designs come alive with unmatched accuracy and craftsmanship.

3 Axis CNC Milling

With 3-axis CNC milling, precision meets affordability. It’s your go-to for simple parts that still demand accuracy.

4 Axis CNC Milling

Think of a design, and 4-axis milling can probably make it. Multi-sided machining just got a whole lot simpler.

5 Axis CNC Milling

For those complex and intricate parts, 5-axis milling is the master key. It’s all about bringing your most ambitious designs to life.

Gallery of CNC Milling Parts

Check out our extensive gallery that shows precision milled prototypes and parts from our valued customers.

Quote in Seconds, Operate at Your Fingertips

Upload your design and experience smart CNC milling quotes in seconds and all-in-one management for rapid and digital manufacturing without hesitation.

Instant Quotation

Get instant CNC quotes in a minute by simply uploading your design files. Our big data quoting engine calculates CNC machining quotes instantly and provides you with competitive prices.

DFM Feedback

Our platform built with an advanced machine learning algorithm can automatically identify part geometry that may be difficult to machine. Give you a comprehensive design-for-manufacturing analysis for your custom CNC parts within minutes.

All-in-one order Management

Quickly check, search, and manage all your CNC orders in one place. What's even better is that you get visibility into all stages of the production process and every aspect of the manufacturing operation.

Precision CNC Milling Solutions: From Concept to Completion

Our journey-driven CNC milling will guide you from your initial idea straight through to a perfectly produced final product. It’s precision and care, every step of the way.

Rapid Prototyping

Transform CAD designs into final CNC-milled prototypes quickly with RapidDirect. Test and refine your concepts, reduce costly milling errors, and accelerate your product’s time-to-market.

Bridge Production

Seamlessly transition from prototype to CNC milling production. With RapidDirect’s Bridge Production, ensure smooth transition phases, mitigate risks of scaling, and maintain consistent quality throughout.

On-Demand Production

Respond to market needs with precision CNC milling on-demand. RapidDirect ensures you meet deadlines, manage inventory efficiently, and produce high-quality components exactly when needed.

Let's Start A New Project Today

CNC Milling Tolerances

RapidDirect ensures precision with our CNC Milling Tolerance standards. We commit to exact measurements, benefiting clients with consistent, high-quality results, optimized for search visibility. Our standard tolerances for CNC milled metals are ISO 2768-m and ISO 2768-c for plastics.

Type	Tolerance
Linear dimension	+/- 0.025 mm +/- 0.001 inch
Hole diameters (not reamed)	+/- 0.025 mm +/- 0.001 inch
Shaft diameters	+/- 0.025 mm +/- 0.001 inch
Part size limit	950 * 550 * 480 mm 37.0 * 21.5 * 18.5 inch

Materials for CNC Milling Parts

At RapidDirect, our CNC milling service offers a diverse range of materials, ensuring precision and durability. This vast selection empowers our clients with optimal choices for their unique projects, boosting their product’s quality and performance.

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Aluminum
Copper
Brass
Stainless Steel
Titanium
Plastics

Plastics are also very popular option for CNC machining because of its wide choices, relatively lower price, and significantly faster machining time needed. We provide all common plastics for CNC machining services.

POM	PEEK	HDPE	PET
Nylon	PTFE	PVC	PP
ABS	PC	PMMA

More Details>>

Surface Finishes for CNC Milling

Gain access to quality surface finishing for custom CNC milled parts to remove aesthetic flaws and improve the appearance of your products. We also provide rigid protection and additional resistance and strength to your parts through superior surface finishes.

Name

Description

Materials

Color

Texture

Link

Anodizing	Anodizing improves corrosion resistance, enhancing wear resistance and hardness, and protecting the metal surface. Widely used in mechanical parts, aircraft, and automobile parts, precision instruments, etc.	Aluminum	Clear, black, grey, red, blue, gold.	Smooth, matte finish.	Learn More>>
Bead Blasting	Bead blasting results in parts with a smooth surface with a matte texture. Used mainly for visual applications and can be followed by other surface treatments.	ABS, Aluminum, Brass, Stainless Steel, Steel	n/a	Matte	Learn More>>
Powder Coating	Powder coating is a type of coating that is applied as a free-flowing, dry powder. Unlike conventional liquid paint which is delivered via an evaporating solvent, powder coating is typically applied electrostatically and then cured under heat or with ultraviolet light.	Aluminum, Stainless Steel, Steel	Black, any RAL code or Pantone number	Gloss or semi-gloss	Learn More>>
Electroplating	Electroplating can be functional, decorative or corrosion-related. Many industries use the process, including the automotive sector, in which chrome-plating of steel automobile parts is common.	Aluminum, steel, stainless steel	n/a	Smooth, glossy finish	Learn More>>
Polishing	Polishing is the process of creating a smooth and shiny surface, either through physical rubbing of the part or by chemical interference. The process produces a surface with significant specular reflection, but in some materials is able to reduce diffuse reflection.	Aluminum, Brass, Stainless Steel, Steel	n/a	Glossy	Learn More>>
Brushing	Brushing is a surface treatment process in which abrasive belts are used to draw traces on the surface of a material, usually for aesthetic purposes.	ABS, Aluminum, Brass, Stainless Steel, Steel	n/a	satin	Learn More>>

CNC Machining Case Study

RapidDirect’s advanced 5-axis CNC milling produced the Iron Man Suit exoskeleton, enhancing human strength. Despite challenges like oblique hole grooves, their precision resulted in four impeccable lats and deltoid components from aluminum, demonstrating elite industrial equipment mastery.

Why Choose Us for CNC Milling Service

With RapidDirect’s CNC milling service, you’re investing in more than just machinery. You get the promise of impeccable precision, adherence to tight schedules, and the support of seasoned professionals.

Our CNC Milling for Various Industrial Applications

RapidDirect works with vertical, horizontal, and multi-axis milling machines. The vertical milling machine is highly accurate equipment that carries out 3-axis milling, suitable for vertical surfaces and angular shapes.

Our horizontal milling machines perform 4-axis milling and are suitable for heavy milling operations. Our multi-axis milling machines can move along different axes and cut at various angles. They include 2-, 3-, 4-, and 5-axis CNC milling machines.

2. Can I combine CNC milling with 3D Printing?

Yes, you can combine both manufacturing processes to reinforce your custom parts. Printed parts can be milled to achieve dimensions with tight tolerances or to meet surface quality requirements. Intelligently combining these two methods can ensure faster manufacturing, less waste, and lower costs. It even achieves higher accuracy and precision, repeatability, and sustainable production.

3. What are your CNC milling capabilities?

At RapidDirect, we can produce highly complex and intricate rapid prototypes and low-volume production parts. The CNC milling process is suitable for a wide selection of materials for various applications. Our CNC milling service can achieve standard tolerances of +/- 0.05mm. However, tighter tolerances of up to +/- 0.01mm are also possible.

4. What’s the difference between CNC milling and CNC lathe?

The major difference between CNC milling and CNC lathe is in their machining process. CNC milling involves rotating the cutting tools against a stationary bar stock or workpiece. In contrast, a CNC lather works by rotating the bar stock or workpiece against a stationary tool. CNC milling is more suitable for machining irregular and flat surfaces, while CNC lathes work best for cylindrical or conical parts.

Ultimate Guide to CNC Machining

The comprehensive guide provides you with the basics, design considerations, materials, surface finish, cost, and more about CNC machining to help you create quality machined parts with aesthetic appearance.

Download it now

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