Aluminum CNC Turning Parts | Precision Machining Manufacturer

We manufacture custom aluminum turned parts with excellent dimensional accuracy, superior surface finish, and reliable repeatability. Whether you need prototypes or high-volume production, our experienced team delivers consistent quality and on-time delivery.

  • OEM & ODM Supported
  • Tight tolerance up to 0.01mm
  • Surface Finish as fine as Ra 0.2 µm
  • ISO 9001, ISO 14001 and IATF 16949 certified
Aluminum CNC Turning Machining

Why Choose Aluminum for CNC Turning?

Aluminum is one of the most popular machining materials because it combines excellent machinability with outstanding mechanical properties.

When precision, lightweight performance, and consistent quality matter, aluminum CNC turning parts are the preferred choice for manufacturers across multiple industries. At our facility, we specialize in producing custom aluminum turned components with tight tolerances, superior surface finishes, and reliable repeatability.

Whether you need rapid prototyping, low-volume production, or high-volume manufacturing, our CNC turning capabilities ensure every part meets your engineering requirements while maintaining cost efficiency.

From simple bushings and spacers to complex precision shafts and threaded components, we manufacture aluminum turning parts that help your products perform better.

Advantages of Aluminum CNC Turned Parts

  • Lightweight with high strength-to-weight ratio
  • Excellent corrosion resistance
  • High thermal conductivity
  • Good electrical conductivity
  • Easy anodizing and surface finishing
  • Excellent dimensional stability
  • Faster machining than stainless steel
  • Lower manufacturing cost for precision parts
  • Fully recyclable and environmentally friendly

These benefits make aluminum an ideal material for industries requiring both precision and efficiency.

Aluminum CNC Turned Parts
Aluminum CNC Turned Parts
Aluminum CNC Turned Parts
Aluminum CNC Turned Parts
Aluminum CNC Turned Parts

Our CNC Turning Capabilities

Our advanced CNC turning centers allow us to manufacture simple and highly complex components with exceptional accuracy.
CNC Turning

CNC Turning

CNC Turning is ideal for producing cylindrical and rotational parts with high precision. It ensures consistent dimensions, smooth finishes, and efficient production for both prototypes and volume orders.
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Mill Turn Machining

Mill-Turn Machining

Mill-turn machining combines turning and milling in a single setup, enabling the production of complex parts while reducing machining time, improving accuracy, and minimizing secondary operations.
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Swiss CNC Machining

Swiss CNC Machining

Swiss CNC machining is designed for manufacturing small, intricate, and high-precision components. It delivers excellent dimensional accuracy and surface quality, making it ideal for connector pins, shafts, and miniature parts.
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CNC Turning Services Tolerances

YUmei's CNC turning services take strict precision control as the core competitive advantage. Backed by the ISO 9001:2015 certified quality management system, we strictly adhere to the ISO 2768-m tolerance standard, enabling stable and precise dimensional control to ensure the dimensional consistency and compatibility of various parts such as shafts, sleeves, discs... Both appearance and critical dimensions are inspected at 100%.
Permissible deviations in mm for ranges in nominal lengths Tolerance class:designation (description)
f (fine) m (medium) c (coarse)
Linear Dimensions
0.5 up to 3 ±0.05 ±0.1 ±0.2
over 3 up to 6 ±0.05 ±0.1 ±0.3
over 6 up to 30 ±0.1 ±0.2 ±0.5
over 30 up to 120 ±0.15 ±0.3 ±0.8
over 120 up to 400 ±0.2 ±0.5 ±1.2
over 400 up to 1000 ±0.3 ±0.8 ±2.0
over 1000 up to 2000 ±0.5 ±1.2 ±3.0
over 2000 up to 4000 - ±2.0 ±4.0
External Radius and Chamfer Heights
0.5 up to 3   ±0.2 ±0.2 ±0.4
over 3 up to 6   ±0.5 ±0.5 ±1.0
over 6   ±1.0 ±1.0 ±2.0
Angular Dimensions
up to 10   ±1º ±1º ±1º30'
over 10 up to 50   ±0º30' ±0º30' ±1º
over 50 up to 120   ±0º20' ±0º20' ±0º30'
over 120 up to 400   ±0º10' ±0º10' ±0º15'
over 400   ±0º5' ±0º5' ±0º10'
Every production batch undergoes dimensional inspection before shipment to ensure consistent quality.

Aluminum Materials We Machine

Different aluminum alloys offer different mechanical properties. Our engineering team helps customers select the most suitable material based on application requirements.
Common aluminum grades include:
Grades Features Applications
6061 (T6) Medium Strength (240 MPa); easy to machine, prone to oxidation, high cost-effectiveness General Structural Components, Equipment Enclosures, Brackets, Connectors
6063 Good plasticity, easily extruded; produces an attractive finish upon anodizing; burr-free machining Profiles, Frames, Cosmetic Parts, Heat Sinks
6082 Medium Strength (310 MPa); stronger than 6061; stable machining performance Heavy-Duty Structural Components, Robotic Arms, Mold Base Plates
6066 High Strength (340 MPa); balanced properties; suitable for precision machining Precision Structural Components, Jigs & Fixtures, Instrument Housings
7075 Ultra-High Strength (≥570 MPa); wear-resistant; slightly more challenging to machine Aerospace Parts, High-Load Structural Components, Gears, Mold Plates
7050 High Strength (540 MPa); excellent toughness; requires a rigid machine tool for machining Aerospace Structural Components, Core Drone Components
5052 Excellent corrosion resistance; bendable; easy to machine; good weldability Sheet Metal Parts, Fuel Tanks, Parts for Humid Environments
5083 High magnesium content for superior corrosion resistance; strengthened via cold working; prone to tool adhesion (requires effective chip evacuation) Marine Parts, Pressure Vessels, Large-Scale Outdoor Structures
2024 High Strength (470 MPa); heat-resistant; moderate corrosion resistance (typically requires surface treatment) Aerospace Parts, Parts for High-Temperature Environments, Defense Sector Components
2017 Medium Strength (370 MPa); easy to machine; high cost-effectiveness Shafts, Gears, Jigs & Fixtures
2A12 (LY12) High Strength (420 MPa); good rigidity; relatively hard to machine Aerospace Structural Components, Mold Inserts, Load-Bearing Brackets
1050/1060 Pure Aluminum (95 MPa); excellent thermal and electrical conductivity; prone to tool adhesion Heat Sinks, Conductive Parts, Simple Enclosures
3003 Lightweight and Strong (150 MPa); good corrosion resistance; easy to machine Equipment Housings, Light-Load Parts, Consumer Goods

Surface Finishing Options

Surface finishing improves corrosion resistance, appearance, wear resistance, and product performance.

Available finishes include:

  • Anodizing Types II: 5-25 μm coating thickness, 16 color options
  • Type III (Hardcoat): 25-50+ μm thickness, Hardness 60-70 Rockwell C
  • Powder coating: 75-125 μm thickness, 2,000+ color options
  • Bead Blasting: 150-600 grit media for controlled surface texture
  • Plating: 5-25 μm thickness, Hardness 48-52 Rockwell C 

Custom finishes can be supplied according to customer specifications.

Aluminum CNC Turning Parts We Manufacture

We manufacture a wide variety of custom aluminum CNC turned parts for automotive, aerospace, electronics, robotics, industrial equipment, and new energy applications. Whether you need a single prototype or high-volume production, we deliver precision-machined components with consistent quality and reliable lead times.
Aluminum CNC Turned Shaft

Aluminum CNC Turned Shaft

Aluminum Precision Bushing

Aluminum Precision Bushing

Aluminum Spacer Sleeve

Aluminum Spacer Sleeve

Aluminum Threaded Adapter

Aluminum Threaded Adapter

Aluminum Sensor Housing

Aluminum Sensor Housing

Aluminum Connector Housing

Aluminum Connector Housing

Aluminum Standoff

Aluminum Standoff

Aluminum Bearing Sleeve

Aluminum Bearing Sleeve

Aluminum Coupling

Aluminum Coupling

Aluminum Knurled Knob

Aluminum Knurled Knob

Aluminum Roller

Aluminum Roller

Aluminum Nozzle

Aluminum Nozzle

Industries We Serve

Our aluminum CNC turning parts are used worldwide in demanding industries.
33 scaled

Automotive

  • Sensor housings
  • Bushings
  • Valve components
  • Connectors
  • Precision shafts
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Airospace

Aerospace

  • Lightweight structural components
  • Aircraft fittings
  • Precision connectors
  • Hydraulic system parts
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Medical

Medical Devices

  • Surgical equipment
  • Diagnostic instruments
  • Medical housings
  • Precision adapters
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Electronic

Electronics

  • Heat sinks
  • Connectors
  • Camera components
  • Instrument housings
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Robot

Robotics & Automation

  • Servo components
  • Couplings
  • Bearings
  • Precision rollers
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Industrial Equipment

Industrial Equipment

  • Pneumatic fittings
  • Hydraulic parts
  • Machine accessories
  • Custom mechanical assemblies
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Quality Control

Every part undergoes a strict inspection process from incoming materials to final shipment, ensuring consistent quality, dimensional accuracy, and full compliance with customer specifications.

01. Incoming Material Inspection

Verify raw materials, certificates, hardness, and dimensions before production.

02. First Article Inspection (FAI)

Inspect the first produced part to ensure it fully matches the approved drawing.

03. In-Process Inspection

Monitor key dimensions during machining to maintain stable production quality.

04. Precision Measurement

Critical dimensions are verified using CMM, digital calipers, micrometers, and optical measuring systems.

05. Thread & Surface Inspection

Check thread accuracy with GO/NO-GO gauges and verify surface finish to customer specifications.

06. Final Inspection Before Shipment

Every batch undergoes comprehensive inspection before packaging and delivery.

Inspection Equipment

CMM Testing-precision parts machining
Coordinate Measuring Machine (CMM)
Optical Measuring System
Optical Measuring System
Digital Calipers
Digital Calipers
Digital Micrometers
Digital Micrometers
Surface Roughness Test
Surface Roughness Tester
Thread Gauges
GO / NO-GO Thread Gauges
Height Gauge
Height Gauge

Why Choose Yumei Hardware?

Partner with a trusted CNC machining manufacturer committed to precision, quality, and reliable delivery. From prototype development to high-volume production, we provide complete machining solutions backed by experienced engineers and strict quality control.

16 Years of CNC Machining Expertise

Serving global customers with precision manufacturing solutions.

Strict Quality Assurance

Every part is inspected using advanced measuring equipment before shipment.

Prototype to Mass Production

Flexible production capacity from prototypes to high-volume orders.

Fast Response & Technical Support

Quotation within 2 hours and engineering support throughout your project.

Factory-Direct Pricing

Optimized manufacturing processes help reduce production costs.

Reliable Global Delivery

Stable supply chain, flexible MOQ, and on-time worldwide shipping.
We build long-term partnerships by delivering precision-machined parts, consistent quality, responsive communication, and dependable service—helping customers reduce costs, shorten lead times, and bring products to market faster.

Custom Aluminum CNC Turning Process

From quotation to delivery, our streamlined workflow ensures fast communication, precise manufacturing, and reliable quality at every stage.

Upload Your Drawing

Send us your 2D/3D drawings (PDF, DWG, STEP, IGES) or a physical sample.

Engineering Review & DFM Analysis

Our engineers review material, tolerances, machining feasibility, and provide optimization suggestions when needed.

Quotation & Order Confirmation

Receive a detailed quotation with pricing, lead time, and manufacturing recommendations. Once approved, production is scheduled.

Prototype Manufacturing

We produce samples for dimensional verification and customer approval before full production.

Mass Production & Quality Control

Production is carried out using advanced CNC turning equipment with in-process inspections to ensure consistent quality.

Final Inspection & Global Delivery

Every part undergoes final inspection before secure packaging and worldwide shipment, ensuring your order arrives on time.

Frequently Asked Questions

A: 6061 aluminum is the most commonly used because it offers an excellent balance of machinability, strength, corrosion resistance, and cost. For applications requiring higher strength, 7075 aluminum is often recommended.

A: Standard machining tolerance is ISO2768-m, while critical dimensions can reach up to ±0.005 mm depending on part geometry and inspection requirements.

A: Yes. We produce fully customized aluminum CNC turning parts based on 2D drawings, 3D CAD files, or physical samples.

A: We accept STEP, STP, IGES, IGS, DWG, DXF, PDF, SolidWorks, and other standard CAD formats.

A: Yes. Rapid prototyping services are available before full-scale production to verify design and functionality.

A: We manufacture aluminum precision turned components for automotive, aerospace, electronics, robotics, medical equipment, industrial machinery, renewable energy, telecommunications, and many other sectors.

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