CNC Milling Services
At GCH, we bring your designs to life with unmatched accuracy and efficiency using our state-of-the-art CNC milling machines. Experience the ultimate solution for precision craftsmanship in high-quality manufacturing.
- IATF16949:2016 certificated
- Lead time as fast as 3-5 days
- Tight Tolerance of 0.01 mm
- Milled Parts as Fast as 1 Day
- 3, 4, 5 Axis Milling
30t-1800t
Instant Quotes
12
Surface Finishes
0pc
MOQ
0.025mm
Tolerances
Our Custom Laser Cutting Service
Backed by Outstanding Manufacturing Capabilities and 10+ Years of Industry Experience.GCH offers superior quality custom CNC milling services with excellent results. We combine highly skilled machinists with cutting-edge CNC milling facilities to create everything from intricate components to robust parts. Enjoy our CNC milling service, leveraging a wide range of advanced processes and technologies.
Gallery of CNC Milling Parts
Why Choose Our Precision CNC Milling Services
Choosing GCH for your precision CNC milling needs means opting for unparalleled accuracy, quality, and reliability. With advanced machinery and a skilled team, we ensure that every component is crafted to your exact specifications, making us the ideal partner for your manufacturing projects.
Precision CNC Milling Solutions: From Concept to Completion
Our journey-driven CNC milling service will guide you from your initial idea straight through to a perfectly produced final product. Experience precision and care at every step of the way, ensuring your project achieves the highest quality standards.
Rapid Prototyping
Transform CAD designs into final CNC-milled prototypes quickly with GCH. 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 GCH’s Bridge Production, ensure smooth transition phases, mitigate risks of scaling, and maintain consistent quality throughout.
CNC Milling Tolerances
GCH 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 GCH, 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.
Aluminum
Aluminum has an excellent strength-to-weight ratio of this metal. It is a great option for the high loading requirements of aircraft brackets and housings. Aluminum also boasts good ductility, stiffness, corrosion resistance, and machinability. Its lightweight properties make it useful for aerospace structural applications like fuselage skin, wing stringers, wing skins, etc.
Price: $
Lead Time: < 10 days
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm
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.
These properties make titanium alloys great options for airframes and aircraft engines.
Price: $$$
Lead Time: < 10 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm
Stainless Steel
Steel is another metal with application in the production of modern-day automobile parts. This metal is durable and efficient in performance. It also facilitates the production of high-quality parts. It is resistant to corrosion, lightweight, and results in the production of aesthetically pleasing parts. This metal has applications in the production of car brakes, engines, exhaust systems, wheels, etc.
Price: $
Lead Time: < 10 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm
Copper
Copper plays a huge role in comfort, efficiency, and safety in the automotive industry. It is an excellent conductor of electricity, highly ductile, and malleable. It has application in most of the vehicle’s electronic components, including vehicle’s wire harness, radiator, starter motor, alternator, and brake tubes.
Price: $
Lead Time: <10 days
Tolerances: ±0.125mm
Max Part Size: 200 x 80 x 100 cm
Magnesium
Magnesium is lightweight and has excellent castability and high specific strength, which gives it application in the automotive industry. Magnesium has applications in producing engine blocks, gearboxes, clutch housings, wheels and engine cradles, and oil pans.
Price: $
Lead time: <10 days
Tolerances: ±0.125mm
Max Part Size: 200 x 80 x 100 cm
Finishing Options for CNC Milling
Improve the surface quality of your plastic injection molded parts with superior surface finishing options. CGH provides an extensive list of surface treatments to improve the aesthetic appeal of your products. These efficient secondary operations also improve the mechanical qualities of prototypes and production parts.
| Name | Materials | Color | Texture | Thickness | |
 | Anodizing | Aluminum | Clear, black, grey, red, blue, gold. | Smooth, matte finish. | A thin layer: 5-20 µm Hard anodic oxide film: 60-200 µm |
 | Beed Blasting | ABS, Aluminum, Brass, Stainless Steel, Steel | N/A | Matte | 0.3mm-6mm |
 | Powder Coating | Aluminum, Stainless Steel, Steel | Black, any RAL code or Pantone number | Gloss or semi-gloss | 5052 Aluminum 0.063″-0.500” 6061 Aluminum 0.063″-0.500” 7075 Aluminum 0.125”-0.250″ Mild Steel 0.048″-0.500” 4130 Chromoly Steel 0.050″-0.250” Stainless Steel 0.048″-0.500” |
 | Electroplating | Aluminum, steel, stainless steel | N/A | Smooth, glossy finish | 30-500 µin |
 | Polishing | Aluminum, Brass, Stainless Steel, Steel | N/A | Glossy | N/A |
 | Brushing | Aluminum, Brass, Stainless Steel, Steel | Varies | Satin | N/A |
 | Silkscreen Printing | Aluminum, Brass, Stainless Steel, Steel | Varies | N/A | < 1 µm |
 | Passivation | Stainless Steel | None | Unchanged | 5μm – 25μm |
Why Choose GCH
We take an approach that aims to meet your customized needs. We aim to provide long-term prototype overmolding solutions to engineering experts and project managers from design to production. GCH combines cost-effective mold tooling with tech-driven overmolding services that help to make high-quality parts.
No MOQ
No minimum order requirement helps move plastic molded parts from design to production in a fast turnaround and supports your on-demand molding manufacturing needs with reduced injection molding cost.
Tight Tolerance and High Quality
Our plastic injection molding process includes vital design considerations to improve moldability and enhance aesthetic appearance. GCH delivers plastic injection molded parts of varying sizes and complexities. Our standard tolerances are defined by ISO 2768 standards, helping us meet tight tolerance requirements.
High Efficiency
With certified domestic factories and a strong supply chain system, we accelerate the product development cycle and bridge the production of your injection molded parts as fast as possible.
Injection Molding Specialists
Working with our experts having 10+ years of experience in the injection molding industry, efficiently complete a turnaround from prototyping to production.
How Custom CNC Milling Works?
The injection molding process involves feeding raw plastic materials into an injection molding machine, melting them down, and then injecting them into an aluminum or steel mold. Upon cooling, a production-grade thermoplastic part is formed and ejected for further use or assembly.
