CNC Milling Services
the ultimate solution for precision craftsmanship and high-quality manufacturing. With our state-of-the-art CNC milling machines, we bring your designs to life with unparalleled accuracy and efficiency.
- 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 laser cutting services with excellent result potential. We combine highly skilled machinists with cutting-edge laser cutting facilities to cut anything from delicate aluminum foils to thick steel sheets. Enjoy metal laser cutting service with an extensive range of advanced processes and technology.
Gallery of CNC Milling Parts
Why Choose Our Precision Machining Service
Bring your precision CNC machining parts to life through top-notch precision machining services. GCH boasts cutting-edge manufacturing capabilities for high precision CNC machining. All prototypes and end-use parts meet strict quality standards and tolerance requirements.
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 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.
Metals
Take advantage of our wide availability of metal materials for your laser cutting project. Our production-grade metals come with high strength and durability, optimal thickness, and customizability. As the most common laser cutting materials, GCH offers a long list of metals, including:
Types:
Aluminum
Stainless steel
Steel
Copper
Plastics
There are also many compatible plastics with the laser cutting process. We offer a wide range of plastics that can meet simple commercial applications and complex industrial requirements. GCH’s production-grade plastics are excellent options for medical instruments, gear, food packaging, and more. The common ones include:
Types:
PMMA
Delrin (POM, Acetal)
Polyethylene
Polypropylene
Styrene
Lucite
Mylar (polyester)
Acrylic
Our acrylic laser cutting service is extensively valuable, helping you meet industry demands for various applications. Our improved technology allows us to cut and engrave on acrylic materials to achieve the best results. GCH offers both cast acrylic materials and extruded acrylic to meet your production requirements.
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.
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