Aerospace

Provide efficient production and faster design to delivery.

Automotive

Produce precision parts that exceed industry standards.

Automation

Create and test products quickly to bring them to market.

Consumer Products

Bring new, affordable products to market faster.

Communication

Empower to innovate faster, maximizing performance.

Electronics

Innovation in enclosures for low-volume production.

Industrial Equipment

Deliver machinery that beats the competition.

New Energy

Speed up innovation and development.

Medical Devices

Build prototypes and products that adhere to medical safety.

Robotics

Improve efficiency with precise, fast, and constant part quality.

Semiconductor

Drive time-to-market through on-demand production.

CNC Machining for Aerospace

The extremely high level of precision needed within the aerospace industry makes CNC machining a suitable manufacturing process for the sector.

 

This article provides you with a complete guide to aerospace machining and its importance.

 

Blogs

Gain valuable insights into manufacturing processes.

Materials

Choose from 50+ metals and plastics for your project.

Knowledge Base

Whitepaper, design guide, materials, and finishing.

Surface Finishes

Different finishing options enhance part appearance and functionality.

Videos

Discover our library of educational videos.

CNC Machining eBook

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.

About RapidDirect

Our vision, mission, development history, and dedicated team.

Testimonials

Real feedback on experiences and opinions of our services.

News

Company news, platform updates, holiday announcement.

Our Platform

Get instant quotes with our smart online platform.

Our Capabilities

Rapid prototyping, and on-demand production.

Quality Assurance

Deliver quality parts that meet requirements and exceed expectations.

Contact Us

Online Quotation Platform v3.0

Attention! We have exciting news to share with you. We have just launched the latest online platform, version 3.0! 

 

 

The updated platform boasts a fresh and intuitive design, along with enhanced functionality that streamlines and accelerates the quoting process, like a new manufacturing process, streamlined quoting summary page, and improved checkout page. 

Custom Online CNC Machining Services

Online CNC machining services for rapid prototypes and production parts. Get instant CNC quotes today, and order your custom metal and plastic parts.

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10s

Instant Quotes

1 day

Lead time

 

0 pc

MOQ 

0.010 mm

Tolerances

Our CNC Machining Services

If you need custom machined parts with complex geometries, or get end-use products in the shortest possible time, RapidDirect is good enough to break through all of that and achieve your idea immediately. We operate over 150 sets of 3, 4, and 5-axis CNC machines, and offer 100+ different types of materials and surface finishes, guaranteeing quick turnaround and quality of one-off prototypes and production parts.

CNC milling removes materials from the workpiece to create custom-designed parts with flat surface using cutting tool or multi-point milling cutters.

WIth our 3-axis & 5-axis CNC milling services, you can get milled parts with tight tolerance up to 0.02mm (±0.0008 in.)

CNC turning shears materials from the ouside of a rod at incredible speeds using a spinning tool. At RapidDirect, we apply 50+ CNC lathes and CNC turning centers to create round or cylindrical turned parts with extreme precision that consistantly meet customers’ expectations.

Quote in Seconds, Operate at Your Fingertips

RapidDirect provides a AI-powered, hassle-free online quotation platform that can help simplify your ordering and manufacturing process. Stop wasting time in emails, get interactive quotes with DFM analysis within seconds, optimize your orders immediately, compare your multiple quotes side by side, manage your orders in one place.

 
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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.

From CNC Prototyping to Production

CNC machining is a computerized and versatile manufacturing process ideal for rapid prototyping and on demand production. Here are the custom CNC services available at the RapidDirect.

 
1Prototyping

Rapid Prototyping

With our instant quotation platform and strong capacity, you can get excepted prototypes in short lead times. This allows you to quickly test prototype parts and get them to market.

bridge production

Bridge Production

Bridge-to-production is critical for closing the gap between the part design and the actual product rollout. No worries. Our professional engineering team is always ready to provide practical design suggestions for your low volume machined parts.

Mass Production

On-Demand Production

Our full service for on-demand production orders ensures that you get high precison and high standard of quality products. Enhanced production rate also allows for just-in-time delivery of production parts.

Let's Start A New Project Today

CNC Machining Tolerances and Standards

With precision CNC machining services, RapidDirect is your ideal partner to create precision machined prototypes and parts. Our standard CNC machining tolerances for metals is ISO 2768-f and for plastics is ISO 2768-m. We can also achieve special tolerances as long as you indicate your requirements on your drawing.

Standards

CNC Milling

CNC Turning

Maximum Part Size 4000×1500×600 mm

157.5×59.1×23.6 in.

200×500 mm

7.9×19.7 in.

Minimum Part Size 4×4 mm

0.1×0.1 in.

2×2 mm

0.079×0.079 in.

Minimum Feature Size Φ 0.50 mm

Φ 0.00197 in.

Φ 0.50 mm

Φ 0.00197 in.

Standard Tolerances Metals: ISO 2768-f
Plastics: ISO 2768-m
Metals: ISO 2768-f
Plastics: ISO 2768-m
Linear Dimension +/- 0.025 mm
+/- 0.001 in.
+/- 0.025 mm
+/- 0.001 in.
Hole Diameters
(Not Reamed)
+/- 0.025 mm
+/- 0.001 in.
+/- 0.025 mm
+/- 0.001 in.
Shaft Diameters +/- 0.025 mm
+/- 0.001 in.
+/- 0.025 mm
+/- 0.001 in.
Edge Condition Sharp corner will be removed in the form of a chamfer or radius. The size of the chamfer, or resulting radii, must be indicated on the drawing.
Threads and Tapped Holes Diameter: Φ 1.5-5 mm, depth: 3×diameter

Diameter: Φ 5 mm or more, depth: 4-6×diameter

Diameter: Φ 1.5-5 mm, depth: 3×diameter

Diameter: Φ 5 mm or more, depth: 4-6×diameter

RapidDirect can produce threads of any specification and size required by our customers.
Text

Minimum width of 0.5 mm, depth of 0.1 mm

RapidDirect can use CNC engraving or laser carving to create standard text based on customers’ requirements.

RapidDirect can use laser marking to create standard text for CNC turned parts.
Lead Time 5 business days 5 business days

Materials for Custom CNC Machining Parts

A numebr of materials can be used in CNC machines, giving you various of options to complete rapid prototyping to production runs of custom complex parts. For your manufacturing needs, we provide instant quotatios of 100+ metals and plastics, and even you can compare prices for different machining materials.

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  • Aluminum
  • Copper
  • Brass
  • Stainless Steel
  • Titanium
  • Plastics
P02 2 S06 Aluminum 1

Aluminum

Aluminum is a highly ductile metal, making it easy to machine. The material has a good strength-to-weight ratio and is available in many types for a range of applications.

Price: $

Lead Time: < 10 days

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

copper

Copper

Copper displays excellent thermal conductivity, electrical conductivity and plasticity. It is also highly ductile, corrosion resistant and can be easily welded.

Price: $$$

Lead Time: < 10 days

Wall Thickness: 0.75 mm

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

CNC machining brass

Brass

Brass has desirable properties for a number of applications. It is low friction, has excellent electrical conductivity and has a golden (brass) appearance.

Price: $$

Lead Time: < 10 days

Wall Thickness: 0.75 mm

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

P02 2 S06 Stainless steel 1

Stainless Steel

Stainless steel is the low carbon steel that offers many properties that are sought after for industrial applications. Stainless steel typically contains a minimum of 10% chromium by weight.

Price: $$

Lead Time: < 10 days

Wall Thickness: 0.75 mm

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

P02 2 S06 Titanium 1

Titanium

Titanium has a number of material properties that make it the ideal metal for demanding applications. These properties include excellent resistance to corrosion, chemicals and extreme temperatures. The metal also has an excellent strength-to-weight ratio.

Price: $$$

Lead Time: < 10 days

Wall Thickness: 0.75 mm

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

P02 2 S06 PA 1

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.

 
POMPEEK HDPEPET
NylonPTFE PVCPP
ABSPCPMMA

Surface Finishes for CNC Machining

CNC machining leaves visible tool marks during the process of removing portions of the block’s surface to create desired shapes. If don’t want as-machined parts, select a surface finishing for your custom parts. At RapidDirect, we offer several common surface finishes that help improve functionality and aesthetics.

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

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

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

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
cnc product
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.

Gallery of CNC Machined Parts

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

Why Choose Our Custom CNC Machining Service

1Quote

Online Instant Quote & DFM Analysis

No need to write a quote request email, get instant CNC quotes by simply uploading your design files. Our digital quoting platform analyzes your part geometry, and provides real-time & competitive pricing and comprehensive DFM feedback.

Quality Parts

Consistent High Quality

We strictly implement a quality management system to ensure consistent, expected quality on the products. Full inspections also make sure you receive precision machined parts devoid of unwanted defects.

Fast lead time

Fast Lead Time

Not only do we have a digital CNC machining services platform that provides faster ordering process, we also own domestic workshops and state-of-the-art machinery to accelerate the production of your prototypes or parts.

1Support

24/7 Engineering Support

No matter where you are, you can get our 24/7 engeering support all year around. Our experienced engineer can provide you with the most appropriate solution to your part design, material selection, and surface finishing options and even lead time.

See What Our Customers Say About Us

A customer’s words have a more substantial impact than a company’s claims – and see what our satisfied customers have said regarding how we fulfilled their requirements.

Our CNC Machining for Various Industrial Applications

RapidDirect works with leading manufacturers from different industries to support growing demands and streamline their supply chain. The digitalization of our custom CNC machining services helps more and more manufacturers bring their idea to products.

Automotive

Aerospace

Consumer Goods

Medical Devices

Robotics

Let's Start A New Project Today

Frequently Asked Questions

RapidDirect can accommodate the prototyping and production of large machined parts, plastic or metal. Our maximum CNC machining build envelope is 2000 mm x 1500 mm x 300 mm — suitable even for large-scale parts such as furniture and architectural components.

We can provide critical tolerance according to your actual demand.

For CNC machining, we manufacture metal parts as per ISO 2768-m and plastic parts as per ISO 2768-c. Please note that the higher tolerance needed, the cost will be higher.

We can serve more than 10000 pcs of different prototypes monthly, no matter the part with simple or complex design. We own 120 CNC machines and have more than 100 experienced technical experts.

The cost of your CNC machining projects is not fixed as it depends on the characteristics of your project such as the design, and tolerances. Machining times of the material to be used in the project also contribute to this pricing. For example, if you’re making a part that has a combined machining and material cost of $2 and a setup cost of $200, one part will cost $202. However, if you make 200 parts, each would cost $3!

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