Precision CNC Milling Service–3/4/5-Axis Custom Machining
Custom milling for housings, brackets, base plates, and complex geometries. Tolerances down to ±0.010mm. From prototype to production–no minimum order.
What We Offer-Custom CNC Milling
We provide precision CNC milling services for a wide range of industries, including automotive, automation equipment, semiconductor, and medical devices. Our milling capabilities cover 3-axis, 4-axis, and full 5-axis simultaneous machining, allowing us to produce complex prismatic parts with tight tolerances and excellent surface finishes.
Whether you need a single prototype or high-volume production, we have the equipment and expertise to deliver. We work with aluminum, stainless steel, carbon steel, titanium, brass, and engineering plastics like PEEK and POM.
Our CNC Milling Capabilities
| Work Table Size | Max 700×420mm |
| XYZ Travel | X650×Y400×Z500mm |
| Number of Axes | 3-Axis / 4-Axis / 5-Axis Simultaneous |
| Tolerance (Metal) | ±0.010 mm |
| Tolerance (Plastic) | ±0.025 mm |
| Positional Tolerance | ±0.020 mm |
| Surface Roughness | Ra 0.8–3.2 |
| Spindle Speed | Up to 12000 RPM |
| Materials | Aluminum, Stainless Steel, Carbon Steel, Titanium, Brass, PEEK, POM, Nylon |
| Equipment | 12 3/4/5-Axis Machining Centers |
| Inspection | CMM, Optical Comparator, Roughness Tester, Height Gauge |
Materials We Machine for CNC Milling
We offer various materials for custom precision CNC turning parts. Aluminum is lightweight and easy to process. Stainless steel features great corrosion resistance, ideal for custom cnc turning shaft 304 stainless steel high precision components. Carbon steel is economical and durable. Brass ensures fine surface quality. Titanium combines high strength and light weight. POM and PEEK are reliable engineering plastics with wear and heat resistance for special applications.
Aluminum | 6061, 7075, 5052, 5083
Housings, brackets, heat sinks, aerospace parts
Stainless Steel | 303, 304, 316, 17-4PH
Medical devices, food equipment, structural parts
Carbon Steel | 1018, 1045, A36, 4140
Fixtures, bases, structural components
Titanium | Grade 2, Grade 5 (Ti-6Al-4V
Aerospace, medical implants, racing parts
Brass / Copper | C360, C110
Connectors, bushings, electrical components
Engineering Plastics | PEEK, POM (Delrin), Nylon 6/6, ABS, PTFE
Lightweight, insulation, chemical resistance
Industry-Specific Parts Produced by CNC Milling
Aerospace & Aviation
CNC milling is critical for producing high-strength, lightweight components, including aircraft structural parts, engine components, avionics housings, landing gear parts, and satellite brackets
Medical & Healthcare
The industry relies on milling for high-precision parts like surgical instruments, orthopedic implants, diagnostic equipment components, and device housings, often using biocompatible materials
Hydraulic & Pneumatic
It produces precise components for fluid power systems, including valve bodies, pump housings, and connectors that must withstand high pressure and provide reliable sealing
Automotive & New Energy Vehicle (NEV)
Milling is used to manufacture engine components, transmission parts, and suspension systems. For NEVs, it extends to creating battery module housings, motor stator molds, and lightweight structural parts for improved efficiency
Electronics & Semiconductor
The process is essential for making small, intricate parts like connectors, enclosures, heat sinks, and chassis components that require tight tolerances for reliable performance
Energy (Wind, Solar, Oil & Gas)
The process supports the energy sector by manufacturing robust parts for wind turbines, solar tracking systems, and durable components like valves and fittings for oil and gas infrastructure
Robotics & Automation Equipment:
Milling creates high-accuracy parts such as robot arms, gearboxes, joint components, sensor mounts, and structural frames that demand precision for consistent, repeatable motion
Consumer Electronics & Home Appliances
Milling is used to produce durable and precise casings, internal components, and hardware for power tools, appliances, and consumer electronics
Mold & Tooling
Although primary mold-making often uses other processes, CNC milling is crucial for creating the high-precision mold cores, inserts, and other tooling components themselves
Typical CNC Turned Parts We Produce
Quality Assurance for Every Milled Part
1.First Article Inspection (FAIR)
Full dimensional check before production
2.In-Process Inspection
SPC monitoring every 20-50 parts
3.Our Final Inspection
100% inspection of critical dimensions
4.Available Documentation
FAIR report, material certs, PPAP available
| Inspection equipment | Tolerance | Application |
| Vernier Calipers | ±0.02mm | Measuring external / internal dimensions, step and depth |
| Micrometers | ±0.001mm | Precise measurement of outer diameter and thickness |
| Height Gauge | ±0.01mm | Measuring height, slot position and perpendicularity |
| Thread Plug & Ring Gauges | Ensures standard thread assembly | Checking thread size, pitch and go/no-go pass |
| Optical Profile Projector | Controls precision within ±0.005mm | Checking complex contours, angles and small tolerances |
| All Gauges Regularly Calibrated | Ensures stable and reliable inspection data |
Let’s Work Together
Tel: +86-769-2329-7686
Email: martin@marchtonauto.com
Address: 1st Floor, Building 3, No. 6, Jiaolian 2nd Road, Wanjiang Street, Dongguan City, Guangdong Province, China
