CNC Turning Service

Q: What Does CNC Turning Service Entail, How is It Different from Others Services Like CNC Turning or CNC Milling?

To create cylindrical components, CNC turning uses CNC lathes, which rotate the workpiece while cutting tools sculpt it. This differs from CNC milling and CNC turning integrated workflows, where milling uses rotating cutters to remove material from a stationary or moving workpiece. There is a multitude of different CNC processes that are often integrated with one another—cnc turning and cnc milling—which create more advanced components that demand several machining processes to achieve precise and intricate features.

Q: What Materials, Parts, and Sizes are Best Suited for CNC Turning Solutions?

Lathe services are best suited to cylindrical or concentrically feature-rich parts, such as small and large shafts. Common materials used are parts of aluminum, steels, stainless steel, brass, and different plastics—which includes options for metal and plastic parts. Turning solutions are highly tailored to produce perfect parts and can handle quick-turn requirements, delivering high-quality outputs even with smaller or more complex components.

Q: What does the step of the CNC turning process involve, and how does it work?

Most CNC turning work involves CAD and CAM programming, CNC lathe setup, turning operations such as taper turning and facing, finishing, and inspection. Some other operations will follow. When combining CNC turning with milling services, several machining operations may be required. Standard CNC turning steps comprise operational CNC turning steps aimed at ensuring the CNC turning is efficient and the parts presented are of the CNC turning quality needed.

Q: Can CNC turning make technologically advanced parts or ones with detailed designs?

Definitely, they do this using advanced, specialized tools. With live tooling and multi-axis lathes, it is possible to do milling, drilling, and tapping with the lathe. This helps produce technologically advanced parts or those with detailed designs. These can achieve a level of precision that may be required and include features that other machining operations must perform separately. That would also mean setting up other separate configurations.

Q: How to combine CNC turning and milling for parts that need multiple machining operations.

Many jobs combine CNC turning and CNC milling. The lathe produces parts with cylindrical features. CNC milling machines can add flat surfaces, slots, or more complex contours. The integration of these machines offers less operator handling, improved efficiency and accuracy, and potentially lower costs and setup time when jobs can be completed in a single workflow or on multi-function machines.

Q: What are the considerations for cost, low-cost, quick-turn jobs, and setup time for CNC turning service?

The costs depend on a few things and these are material (aluminum parts can be low cost), how complicated the part is, what the tolerances are, and the run quantity. Small and quick turn parts can increase the cost per part. However, there are various balances of costs and setup times because of CNC efficiencies and lowered costs that are achieved with larger run quantities. Instant online quote tools are usually available for estimating costs and times to help achieve a good price and rapid turnover.

Q: What CNC Lathes Use Features and How Do These Features Help Manufacturing With Greater Precision?

Many CNC lathes are equipped with features such as automatic tool changers, multi-axis control, sub-spindles, and live tooling, which are essential for manufacturing both high-quality and precise parts. These features also allow for taper turning and threading, as well as turning, which are required for parts with high concentricity. CNC lathe services offered by manufacturers enable the production of both simple standard parts and complex components for advanced integrated systems.

Q: How Can I Get An Instant Online Quote, And How Do I Learn More About Making CNC Turning Orders For My Project?

Most suppliers offer a form to generate an instant online quote, where you can upload drawings, materials (metal and plastic parts), finishes, and quantities. This helps expedite cost estimation and setup time. This also helps to determine if you require CNC turning for the parts you need. If you are interested in our CNC services, you can view our lead times for quick-turn parts, precision part production, and other CNC machining services by requesting a quote.

Precision CNC Turning For Your Critical Parts

Your ideas can be prototyped and developed into high-volume production. Tolerances to ±0.0005″, 50+ materials. AS9100D, ISO 13485, IATF 16949 certified; can be delivered fast within 3 days.

CNC Turning Service Quote

CNC lathe Machining for Your Critical Parts

● AS9100D Certified

● ISO 13485 Medical

● ITAR Registered

±0.0005″

Precision Tolerances

50+

Material Options

3 Days

Fastest Lead Time

15+ Years

Industry Experience

CNC Turning Process

What is CNC Turning?

CNC turning refers to an advanced method of subtractive manufacturing wherein a cutting tool removes material from a rotating cylindrical workpiece. On CNC turning machines, workpieces are held with high precision and detained considerably, maintaining extreme accuracy.

Contrary to milling work in CNC, the workpiece rotates as the tool stays stationary or moves along pre-programmed paths—hence making turning conducive to the production of rounded-cylindrical or tapered parts such as shafts, pins, bushings, and various threaded components.

Two-Axis Turning Live Tooling Swiss-Type Machining

How CNC Turning Works

From design to delivery in 5 simple steps

Upload CAD File

Upload your 3D CAD model (STEP, IGES, or SolidWorks)

Instant DFM Analysis

Get manufacturability feedback and quote within hours

Precision Machining

Your part is machined on state-of-the-art CNC lathes

Quality Inspection

CMM inspection ensures parts meet specifications

Quick Delivery

We ship products with full documentation

Gallery of Custom CNC Turning Services Parts

Explore our gallery of custom CNC turning parts, showcasing precision-engineered components tailored to meet your unique needs.

Custom CNC machined aluminum 6061 electronic enclosure with clear iridite finish.

CNC machined aluminum heat sink with thin fins for thermal management.

Complex 5-axis machined aluminum 7075 aerospace component with curved geometry.

Assorted custom CNC aluminum parts with Type II color anodizing finishes

Advanced CNC Turning Capabilities

From simple prototypes to complex assemblies, our precision CNC turning services deliver parts that meet the most demanding specifications.

2-Axis CNC Turning

Standard lathe operation best suited for round components such as shafts and pins, delivering excellent surface finish.

Max Ø 24″ Length 36″ ±0.001″ Tol

Multi-Axis Live Tooling

Combine turning with milling in a single setup. Create complex features like flats, slots, and cross-holes.

4-Axis C-Axis Y-Axis

Swiss-Type Turning

Guide bushing support allows tight tolerances on long, slender components and small complex parts.

Ø 0.04″-1.25″ ±0.0005″ 32:1 L/D

Rapid Prototyping

Fast-turn service for validation. Get functional metal or plastic prototypes in as fast as 3 business days.

3-Day Rush No Minimum DFM Check

Production Turning & Quality

The art of CNC turning with high volume and good quality. This involves automation and fast set-up for hundred to 100,000 pieces, utilizing tool monitoring and latest CAD/CAM setups.

SPC (Statistical Process Control) Standard overall and attribute inspection with set statistics of capability.

Kanban Management Revenue-oriented practices scheduled every two hours with inventory control reports.

Secondary Operations

Fulfilling every possible combo of customer needs including threading, knurling, heat treatment, and precision grinding.

Anodizing Plating Passivation Heat Treatment Knurling Grinding Assembly

Fewer Relevant Materials

CNC high-speed metal & alloy material turning techniques

We give effective precision machining for greater than 50 kinds of metal and plastic. From custom-made metals and steels like brass, aluminum alloys, and superalloys to plastics, we have all the competence to take a raw piece of material and turn it into a precision component.

Aluminum

6061, 7075, 2024, 5052

Stainless Steel

303, 304, 316, 17-4 PH

Titanium

Grade 2, Grade 5, Ti-6Al-4V

Copper & Brass

C110, C360, Bronze

Steel Alloys

1018, 4140, 4340, Tool Steel

Superalloys

Inconel, Hastelloy, Invar

Plastics

Delrin, Nylon, PEEK, PVTFE

Custom Materials

Specialty alloys available.

Material Database

CNC Material Selection Tools

Compare material properties, machinability ratings, and hardness values to select the optimal material for your CNC turning project.

Compare CNC Turning Materials

Material 1

Material 2

Property

Aluminum 6061-T6

Stainless Steel 303

Hardness Scale Converter

Convert between Rockwell C (HRC), Brinell (HB), and Vickers (HV) hardness scales

Rockwell C

HRC

Brinell

286

HB (3000kg)

Vickers

302

HRC (Rockwell C)

Used for hardened steels. Range: 20-70 HRC. Diamond cone indenter, 150kg load.

HB (Brinell)

Used for softer metals and castings. 10mm ball, 3000kg load. Good for raw stock.

HV (Vickers)

Universal scale. Diamond pyramid indenter. Best for thin sections and coatings.

Common Material Hardness Reference

Aluminum 6061-T695 HB

Brass 36078 HB

Steel 1018126 HB

Steel 4140197 HB

SS 303228 HB

SS 17-4 PH35-44 HRC

Tool Steel (Hard)58-62 HRC

Titanium Gr5334 HB

* Conversions based on ASTM E140. Actual values may vary by material and test conditions.

CNC Turning for Every Industry

Our AS9100D-certified CNC turning services are designed to meet the most rigorous standards, delivering critical parts for aerospace, medical, and automotive sectors.

AS9100D Certified Aerospace Components

Aerospace & Defense

The manufacture of flight-critical components meets full traceability requirements, with material certifications and full DFARS compliance standards.

Fittings Bushings Actuators Fasteners

ISO 13485 Certified Medical Bone Screws

Medical Devices

Implantable and surgical instrument components manufactured compatible with cleanroom environments, employing biocompatible materials.

Bone Screws Shafts Implants

IATF 16949 Certified Automotive Valve Bodies

Automotive

High-volume production with full PPAP documentation. Finite-quality evidence provided for transmission and safety system components.

Shafts Valve Bodies Pistons Connectors

Free Engineering Tools

CNC Turning Calculators

Professional calculators for CNC lathe operations. Calculate spindle speed, feed rates, tolerances, and part weight with real engineering formulas.

Spindle Speed (RPM) Calculator

Cutting Speed

Workpiece Diameter

Formula

RPM = (SFM × 12) / (π × D)

Feed Rate Calculator

Spindle Speed (RPM)

Feed per Revolution

Depth of Cut

Recommended Cutting Speeds (Carbide Insert)

Aluminum 6061800-1000 SFM

Aluminum 7075600-800 SFM

Mild Steel 1018400-600 SFM

Steel 4140300-450 SFM

Stainless 303250-400 SFM

Stainless 316150-300 SFM

Titanium Grade 5100-200 SFM

Brass 360600-800 SFM

Inconel 71850-100 SFM

Delrin/Acetal500-800 SFM

ISO Tolerance Calculator (IT Grades)

Nominal Dimension (mm)

IT Grade

Tolerance Value

±0.0105mm

±0.0004 inch

Size Range (mm)	IT5	IT6	IT7	IT8	IT9	IT10
Over 1 to 3	0.004	0.006	0.010	0.014	0.025	0.040
Over 3 to 6	0.005	0.008	0.012	0.018	0.030	0.048
Over 6 to 10	0.006	0.009	0.015	0.022	0.036	0.058
Over 10 to 18	0.008	0.011	0.018	0.027	0.043	0.070
Over 18 to 30	0.009	0.013	0.021	0.033	0.052	0.084
Over 30 to 50	0.011	0.016	0.025	0.039	0.062	0.100
Over 50 to 80	0.013	0.019	0.030	0.046	0.074	0.120
Over 80 to 120	0.015	0.022	0.035	0.054	0.087	0.140

IT5-IT6: Precision Turning

Highest precision for critical fits. Bearing seats, gauge pins, hydraulic spools.

IT7: Standard CNC Turning

Most common for precision parts. Shafts, bushings, fasteners.

IT8-IT9: General Machining

Non-critical dimensions. Covers, brackets, spacers.

IT10+: Rough Turning

Stock removal, first-pass roughing, non-functional surfaces.

Part Dimensions

Select Shape

Material

Outer Diameter

Inner Diameter

Length

Unit

Quantity

Calculation Results

Total Weight

0.530kg

1.168 lb

Weight per Piece 530g

Volume 196.35cm³

Est. Material Cost $1.33

Material Aluminum 6061

Density 2.70 g/cm³

Customer Case Studies

How Our Precision CNC Turning Services Solve Real Manufacturing Challenges.

Project Data

Industry Aerospace

Material Ti-6Al-4V (Grade 5)

Tol. Req. ±0.0005"

Certifications AS9100D, ITAR

Aerospace Titanium Component Precision Turning

Achieving ±0.0005" Tolerances on Critical Flight Components

The Challenge

A Tier-1 aerospace supplier faced a 30% rejection rate and delays with their previous vendor due to tool chatter and inability to hold ±0.0005" tolerances on titanium shafts.

Our Solution

**Equipment:** Mazak Integrex i-400 with 1,000 PSI high-pressure coolant.
**Tooling:** Specialized AlTiN-coated carbide inserts for Titanium.
**DFM:** Added 0.015" radii to internal corners, reducing tool wear by 40%.

Key Results

99.2% First-Pass Yield

100% Tolerance Spec Met

4 Wks Lead Time (was 12)

Ra 12 Microinches Finish

22% Cost Savings

0 Audit Findings

"Their titanium machining know-how and AS9100D procedures have secured them as our preferred supplier for all flight-critical turned components."

— Senior Procurement Manager, Tier-1 Aerospace

Project Data

Industry Medical Device

Material 316L Stainless

Parts Bone Screws

Compliance ISO 13485, FDA

Medical Device Swiss CNC Turning

Precision Orthopedic Bone Screws with ISO 13485 Compliance

The Challenge

A startup needed complex bone screws (1.5mm dia) with variable thread pitches. They required ±0.01mm accuracy and rapid iterations for FDA 510(k) submission.

Our Solution

**Swiss Tech:** 7-axis Citizen Cincom L20 lathes with guide bushings for zero deflection.
**Prototyping:** 48-hour turnaround cell with parametric programming.
**Quality:** Class 100,000 cleanroom manufacturing and validated passivation.

Key Results

Pass FDA 510(k) Approval

1.67 Cpk Average

6 Wks Validation Time

35% Lower Cost

100% On-Time Delivery

0 Complaints

"Their ISO 13485 quality system gave investors confidence, and rapid prototyping accelerated our FDA timeline by four months."

— VP of Engineering, Medical Startup

Project Data

Industry Automotive EV

Material 6061-T6 Aluminum

Volume 50k units/yr

Compliance IATF 16949, PPAP

Automotive Low-Volume Production Ramp-Up

Scaling EV Components from Prototype to 50,000 Units

The Challenge

An EV maker needed to scale motor shaft adapters from 50 to 50,000 units while maintaining ±0.001" spline tolerances and passing PPAP Level 3 requirements.

Our Solution

**Phased Scale-Up:** From manual proto machining to automated multi-machine cells with Kanban.
**Optimization:** High-speed spindles (12k RPM) and PCD tooling reduced cycle time by 51%.
**Compliance:** Full APQP, PFMEA, and first-time PPAP Level 3 approval.

Key Results

Lvl 3 PPAP Approved

2.0+ Production Cpk

4.2min Cycle Time (was 8.5)

28% Cost Reduction

<50 PPM Defect Rate

99.7% On-Time Delivery

"Their organized way of production scaling was different. Their PPAP was really good and they met all the deadlines."

— Supply Chain Director, EV Maker

Instant Conversion

Engineering Unit Converter

Convert between imperial and metric units commonly used in CNC turning and precision machining.

Length / Dimension Converter

From

25.4

Millimeters

Quick Reference

1 inch =25.4 mm

1 mm =0.03937 in

1 thou =0.0254 mm

1 foot =304.8 mm

Surface Finish (Ra) Converter

From

3.175

Micrometers (µm)

ISO Surface Finish Grades

N6 =0.8 µm / 32 µin

N7 =1.6 µm / 63 µin

N8 =3.2 µm / 125 µin

N9 =6.3 µm / 250 µin

Cutting Speed Converter

From

91.44

Meters/Min

Quick Reference

100 SFM =30.48 m/min

100 m/min =328.08 SFM

500 SFM =152.4 m/min

1000 SFM =304.8 m/min

Feed Rate Converter

From

0.254

mm/rev

Quick Reference

0.005 in/rev =0.127 mm/rev

0.010 in/rev =0.254 mm/rev

0.1 mm/rev =0.00394 in/rev

0.2 mm/rev =0.00787 in/rev

Pressure / Stress Converter

From

6.895

Megapascals (MPa)

Quick Reference

1 ksi =6.895 MPa

1 MPa =145.04 psi

1 bar =14.504 psi

1 psi =0.06895 bar

CNC Turning Parts FAQs

What Does CNC Turning Service Entail, How is It Different from Others Services Like CNC Turning or CNC Milling?

To create cylindrical components, CNC turning uses CNC lathes, which rotate the workpiece while cutting tools sculpt it. This differs from CNC milling and CNC turning integrated workflows, where milling uses rotating cutters to remove material from a stationary or moving workpiece. There is a multitude of different CNC processes that are often integrated with one another—cnc turning and cnc milling—which create more advanced components that demand several machining processes to achieve precise and intricate features.

What Materials, Parts, and Sizes are Best Suited for CNC Turning Solutions?

Lathe services are best suited to cylindrical or concentrically feature-rich parts, such as small and large shafts. Common materials used are parts of aluminum, steels, stainless steel, brass, and different plastics—which includes options for metal and plastic parts. Turning solutions are highly tailored to produce perfect parts and can handle quick-turn requirements, delivering high-quality outputs even with smaller or more complex components.

What does the step of the CNC turning process involve, and how does it work?

Most CNC turning work involves CAD and CAM programming, CNC lathe setup, turning operations such as taper turning and facing, finishing, and inspection. Some other operations will follow. When combining CNC turning with milling services, several machining operations may be required. Standard CNC turning steps comprise operational CNC turning steps aimed at ensuring the CNC turning is efficient and the parts presented are of the CNC turning quality needed.

Can CNC turning make technologically advanced parts or ones with detailed designs?

Definitely, they do this using advanced, specialized tools. With live tooling and multi-axis lathes, it is possible to do milling, drilling, and tapping with the lathe. This helps produce technologically advanced parts or those with detailed designs. These can achieve a level of precision that may be required and include features that other machining operations must perform separately. That would also mean setting up other separate configurations.

How to combine CNC turning and milling for parts that need multiple machining operations.

Many jobs combine CNC turning and CNC milling. The lathe produces parts with cylindrical features. CNC milling machines can add flat surfaces, slots, or more complex contours. The integration of these machines offers less operator handling, improved efficiency and accuracy, and potentially lower costs and setup time when jobs can be completed in a single workflow or on multi-function machines.

What are the considerations for cost, low-cost, quick-turn jobs, and setup time for CNC turning service?

The costs depend on a few things and these are material (aluminum parts can be low cost), how complicated the part is, what the tolerances are, and the run quantity. Small and quick turn parts can increase the cost per part. However, there are various balances of costs and setup times because of CNC efficiencies and lowered costs that are achieved with larger run quantities. Instant online quote tools are usually available for estimating costs and times to help achieve a good price and rapid turnover.

What CNC Lathes Use Features and How Do These Features Help Manufacturing With Greater Precision?

Many CNC lathes are equipped with features such as automatic tool changers, multi-axis control, sub-spindles, and live tooling, which are essential for manufacturing both high-quality and precise parts. These features also allow for taper turning and threading, as well as turning, which are required for parts with high concentricity. CNC lathe services offered by manufacturers enable the production of both simple standard parts and complex components for advanced integrated systems.

How Can I Get An Instant Online Quote, And How Do I Learn More About Making CNC Turning Orders For My Project?

Most suppliers offer a form to generate an instant online quote, where you can upload drawings, materials (metal and plastic parts), finishes, and quantities. This helps expedite cost estimation and setup time. This also helps to determine if you require CNC turning for the parts you need. If you are interested in our CNC services, you can view our lead times for quick-turn parts, precision part production, and other CNC machining services by requesting a quote.