Custom CNC Turning Services | Fast, Precision, Low Cost, Reliable
Baosheng’s efficient and reliable precision custom CNC turning service enables us to quickly deliver high-quality CNC turned parts made from metals or plastics. We support over 250 types of metal and plastic materials, with 15 surface finishing options and tolerances as low as ±0.008.
- 100K+ Mass Production Machining
- Tolerance as tight as ±0.01 mm
- Fast Production & Delivery
- Prototypes, Small Batch CNC Turning, or Mass Production.
- OEM & ODM Supported
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BaoSheng CNC Turning Services Capabilities
Baosheng is proud to be one of China’s top 10 precision cnc turning service providers. We are honored to offer our extensive machining capabilities to help turn your ideas into reality, from rapid prototyping to precision parts or tool manufacturing, and ultimately to full-scale production for end-use applications.
External Turning
Internal Turning
Facing
Boring
Thread Cutting
Grooving
Parting Off
Drilling
Knurling
Why Choose Us？
With over 15 years of expertise in CNC turning, BaoSheng delivers exceptional service and high-quality support both before and after sales.
Advanced CNC Turning Capabilities
BaoSheng operates its own CNC machining facility, equipped with advanced multi-axis CNC lathes. Custom-made turned parts can be produced in as little as 3 days, ensuring a head start on your schedule.
End-to-End CNC Turning Solutions
We bridge the gap between design and delivery, ensuring parts maintain strict tolerances and quality while accelerating production from functional prototypes to small-batch manufacturing.
Experienced CNC Engineers Support
Our team boasts extensive experience in CNC turning services, covering DFM validation, material selection, and complex geometric design. We guarantee full technical support throughout the entire process.
Mastering Complex CNC Turning Projects
Our CNC lathes can machine circular components like bushings, rings, housings, and other custom complex parts. The range of materials we process includes metals and plastics, ensuring high precision in the final products.
Start Today. Get Parts Made Fast.
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CNC Turning Materials
We offer comprehensive CNC turning services, supporting machining of a wide range of materials from mechanical-grade metals to engineering plastics. Whether it’s high-precision aluminum alloy part turning or other complex materials tailored to specific engineering requirements, we provide precise rapid prototyping and small-to-medium batch production solutions.
Metals
Aluminum is lightweight yet strong, with excellent machinability and corrosion resistance. Ideal for aerospace and automotive parts.
Alloys
Aluminum 6061, Aluminum 6061-T6
Aluminum 2024, Aluminum 5052
Aluminum 5083, Aluminum 6063
Aluminum 6082, Aluminum 7075
Aluminum 7075-T6, Aluminum ADC12 (A380)
Copper is known for its superior electrical conductivity and thermal properties, making it perfect for electrical components and heat exchangers.
Alloys
Copper C101(T2)
Copper C103(T1)
Copper C103(TU2)
Copper C110(TU0)
Beryllium Copper
Brass is durable and has a low friction coefficient, which makes it suitable for fittings, tools, and musical instruments that require precision.
Alloys
Brass C27400
Brass C28000
Brass C36000
Bronze is highly resistant to corrosion and metal fatigue, favored for bearings, bushings, and marine hardware.
Alloys
Tin Bronze
Steel is an alloy with high tensile strength and durability, commonly used in construction and automotive industries for its robustness.
Alloys
Steel 1018, 1020, 1025, 1045, 1215, 4130, 4140, 4340, 5140, A36
Die steel
Alloy steel
Chisel tool steel
Spring steel
High speed steel
Cold rolled steel
Bearing steel
SPCC
Stainless steel is renowned for its corrosion resistance, making it a prime choice for medical devices and food processing equipment.
Alloys
Stainless Steel SUS201, Stainless Steel SUS303
Stainless Steel SUS 304, Stainless Steel SUS316
Stainless Steel SUS316L, Stainless Steel SUS420
Stainless Steel SUS430, Stainless Steel SUS431
Stainless Steel SUS440C, Stainless Steel SUS630/17-4PH
Stainless Steel AISI 304
Magnesium is the lightest structural metal, offering high strength-to-weight ratios, perfect for automotive and aerospace applications where weight is critical.
Alloys
Magnesium Alloy AZ31B
Magnesium Alloy AZ91D
Titanium boasts the highest strength-to-density ratio among metals, highly resistant to corrosion and fatigue, ideal for aerospace, medical, and marine applications.
Alloys
Titanium Alloy TA1
Titanium Alloy TA2
Titanium Alloy TC4/Ti-6Al 4V
Plastics
ABS is strong, durable, and offers good resistance to heat and impact. It’s preferred for automotive components and consumer goods.
ABS Beige(Natural)
ABS Black
ABS Black Antistatic
ABS Milky White
ABS+PC Black
ABS+PC White
Polycarbonate is extremely durable and has high impact resistance, along with excellent clarity, used for bullet-proof glass and protective gear.
PC Black
PC Transparent
PC White
PC Yellowish White
PC+GF30 Black
PMMA, or acrylic, is known for its crystal clarity and weather resistance, making it ideal for outdoor fixtures and display cases.
PMMA Black
PMMA Transparent
PMMA White
POM is strong, with a low friction surface and good dimensional stability, perfect for precision parts in mechanical applications.
Dark brown (coffee) POM 100AF
POM Black
POM Blue
POM White
Nylon is versatile, strong, and wears well against friction, commonly used for gears, bearings, and other wear-resistant surfaces.
PA(Nylon) Blue
PA6 (Nylon)+GF15 Black
PA6 (Nylon)+GF30 Black
PA66 (Nylon) Beige(Natural)
PA66 (Nylon) Black
Polyethylene is lightweight and has high resistanceto impact, widely used in packaging and containers
PE Black
PE White
PEEK is renowned for its high temperatureresistance and strength, often used in aerospace.and medicalimplant manufacturing
PEEK Beige(Natural)
PEEK Black
Polypropylene is tough, has excellent chemicalresistance, and is used for automotive parts,.containers, and in packaging
PP Black
PP White
PP+GF30 Black
HDPE is known for its high strength-to-densityratio, resistance to impacts, and is used in making.bottles and corrosion-resistant piping
HDPE Black
HDPE White
HlPS is easy to machine and offers gooddimensional stability and impact resistance,.suitable for prototyping and modeling
HIPS Board White
LDPE is soft, flexible, and used in applicationswhere heat sealing is required such as in tubing.and plastic bags
LDPE White
PBT is a strong, rigid plastic that is heat resistantand commonly used in electrical components and casings
PBT Black
PBT Milky White (Natural)
PPA offers high heat resistance and stiffness, idealfor automotive and electrical applications that require durability at high temperatures
PAl has exceptional thermal and chemical stabilityused in high-performance parts in aerospace and automotive sectors
PA Brown
PETis strong, resistant to moisture and chemicals,and widely used in food containers and textilefibers
PET Black
PET White
PET+GF30 Black
PET+GF30 White
PPS features outstanding chemical and heatresistance, suitable for automotive and aerospace components
PPS Black
PPS White
PPS+GF30 Black
PPS+GF30 White
Polystyrene is lightweight and easy to machine.used for models, prototypes, and low-strength applications
PS Transparent
PVC is robust, cheap, and has good chemicalresistance, used in plumbing, medical devices, and cables
PVC Grey
PTFE is known for its outstanding chemicalresistance and low friction, making it perfect for non-stick coatings and gaskets
Teflon (PTFE) Black
Teflon (PTFE) White
UPE has extremely long chains, resulting in a verytough material, ideal for high-abrasion applications like lining chutes
UPE Black
UPE White
Bakelite is heat resistant and electrically nonconductive, perfect for electricalinsulators and radio and telephone casings
Bakelite Black
Bakelite Orange
FR-4 is a flame-resistant material, primarily used inthe electronics industry for circuit boards and insulators
FR-4 Aqua Green
FR-4 Yellow
CNC Turning Surface Finishes
BaoSheng Industry provides comprehensive high-quality surface treatment solutions, dedicated to fully optimizing the visual appearance, mechanical properties, and environmental durability of CNC-turned parts. Surface treatments enhance corrosion resistance, increase surface hardness, reduce roughness, and effectively eliminate visible tool marks left by machining.
Material: Aluminum
Surface Finish: Broken Edge
Material: Aluminum
Surface Finish: Bead Blast
Material: Aluminum
Surface Finish: Sharp Edge
| As machined | Description |
| As machined | Standard finish with a surface roughness of 1.6 μm (126 μin). |
| Smoothing | The standard smoothing surface roughness (Ra) is 0.8 μm (63 μin). |
| Painting | Spraying paint, pigment, or color to a solid surface as a colored protective layer. |
| Passivation | Remove ferrous contaminants or use a light coat of protective material to create a shell. |
| Powder Coating | A functional and decorative finish that is applied as a free-flowing, dry powder. |
| Anodizing | Type II (anodizing color or clear) or Type III (anodizing hard coat) |
| Polishing | Produce a smooth and shiny surface. |
| Black Oxide | Forming a black conversion coating on metal parts. |
| Bead Blasting | Removing surface deposits by applying fine glass beads at a high pressure. |
| Abrasive Blasting/Sandblasting | Smoothing and cleaning a hard surface by forcing solid particles across that surface. |
| Electroplating/Plating | Form a thin coherent metal coating on an electrode. |
| Brushing | Polishing the metal with grit resulting in a unidirectional satin finish. |
| Chromate Conversion Coating | Increase the corrosion resistance while maintaining conductive properties. |
CNC Turning Tolerances
As an ISO 9001-certified precision manufacturing enterprise, BaoSheng Industry is dedicated to providing CNC turning solutions for global clients, ranging from standard tolerances (±0.1 mm) to ultra-high precision (±0.005 mm). Through rigorous quality control, we ensure every component precisely meets your design specifications.
| Tolerance Standards | |
| Linear & Location (Length, Diameter, Concentricity, etc.) | ±0.005″ ( 0.127mm) |
| Orientation & Angularity (For 0-12″ dimensions) | ±0.005″ / 0.5° |
| Edge Condition | Standard break edges and deburr |
For edges requiring specific acute angles, please indicate them separately on the drawings.
| Limits for nominal size | Plastics (ISO 2768- m) | Metals (ISO 2768- f) |
| 0.5mm* to 3mm | ±0.1mm | ±0.05mm |
| Over 3mm to 6mm | ±0.1mm | ±0.05mm |
| Over 6mm to 30mm | ±0.2mm | ±0.1mm |
| Over 30mm to 120mm | ±0.3mm | ±0.15mm |
| Over 120mm to 400mm | ±0.5mm | ±0.2mm |
| Over 400mm to 1000mm | ±0.8mm | ±0.3mm |
| Over 1000mm to 2000mm | ±1.2mm | ±0.5mm |
For more detailed information, please contact our professional team.
Start Today. Get Parts Made Fast.
Free Machined Parts Design to Your Projects with Fast Turnaround Times.
CNC Turning Overview
What is CNC turning?
CNC turning is a subtractive manufacturing process used to machine cylindrical or spherical parts with symmetrical characteristics.
How CNC Turning Works
The core of this process involves securing the workpiece to the high-speed rotating spindle of a lathe (vertical or horizontal axis), while the cutting tool remains relatively stationary. Through precise computer program control, the tool moves along straight or curved paths across the workpiece surface, removing excess material to shape it into the predetermined form.
What is the difference between CNC turning and milling?
The fundamental difference between CNC turning and milling lies in the relative motion between the workpiece and the tool during machining: in turning, the workpiece rotates at high speed while the tool remains relatively stationary; in milling, the tool rotates at high speed while the workpiece is clamped to the worktable.
Advantages of CNC Turning
The numerous advantages of CNC turning make it the preferred process for manufacturing precision cylindrical parts. Below are the main advantages:
- High-Precision Consistency: Stable realization of precision tolerances up to ±0.005mm.
- Exceptional Surface Finish: Continuous cutting process effectively minimizes tool marks, ensuring surface flatness.
- High Cost-Effectiveness: Rapid machining speed and high material utilization for symmetrical parts.
- Flexible Production: Seamless transition from single-piece rapid prototyping to mass production of thousands of units.
Applications of CNC Turning
As a leading manufacturer of CNC turned parts in China, BaoSheng produces a wide range of precision components for demanding applications. Below are typical application areas for parts manufactured using this process:
- Aerospace and Automotive: Manufacturing engine shafts, bearings, bushings, and high-strength fasteners.
- Medical Devices: Producing precision implant components and surgical instrument handles.
- Electronics Industry: Processing highly conductive connectors, pins, and heat sink housings.
- General Industry: Various cylindrical, conical, or spherical precision rotary components.
FAQs
What parts can be made with a CNC turning machine?
CNC turning serves as the core process for machining symmetrical cylindrical components. It primarily processes high-precision cylindrical parts. Common products include axles, valve assemblies, pins, and similar items.
What is the production cycle for CNC turning parts?
With advanced CNC machine tools, BaoSheng can complete the production of high-precision turned parts in just 3 days.
Can you produce plastic turned parts?
Yes, CNC turning offers sufficient flexibility to process multiple materials, including plastics. Common plastics machined on CNC lathes include ABS, polycarbonate, polytetrafluoroethylene (Teflon), nylon, and polyoxymethylene.
Can you handle turning parts with complex shapes?
Yes, with extensive experience and cutting-edge technology, our technical team can process turning parts featuring intricate shapes such as internal and external contours, holes, grooves, and other complex geometries.
Who Are the Top 10 CNC Turning Parts Manufacturers in China?
China’s Top Ten CNC Turning Parts Manufacturers represent the nation’s leading producers distinguished by their formidable expertise, precision craftsmanship, and uncompromising quality. These companies supply premium CNC-turned components to diverse industries. Among them, BaoSheng has earned its position as a highly sought-after manufacturer through its robust capabilities and exceptional customer satisfaction.
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