Custom CNC Machining Services for Precision Parts

-Quality Parts Made Efficiently, Precisely, Reliably

Get instant online quote for your metal or plastic CNC machined parts, from rapid prototyping to production.

Tolerance down to ± 0.001 mm.
Choose from 100+ materials, 20+ surface finishes.
ISO 9001:2015, ISO 13485, ISO14001:2015, IATF 16949:2016 certified.
Lead time as short as 1 day.
Worldwide shipping

Get Instant Quote

Upload Your Design

All your designs are secure and confidential

Explanation & Guide to Precision CNC Machining

What is Precision CNC Machining?

Precision CNC machining is a subtractive manufacturing process that utilizes computer-controlled machine tools (e.g., milling machines, lathes, multi-axis machining centers) to accurately remove material from metal, plastic, or other workpieces. Guided by pre-programmed instructions (such as G-code), it produces high-tolerance components with complex geometries and superior surface finishes.

Although all CNC machine types rely on computer instructions to perform subtractive manufacturing, they differ slightly in their modes of operation.

For instance, CNC milling machines operate by holding the workpiece in place as the cutting tool rotates against it. In contrast, CNC turning machines create parts by holding the cutting tool in place as the workpiece rotates against it.

Our CNC Machining Capabilities

CNC Milling Services

CNC milling is a form of manufacturing that involves removing material from a workpiece to create a finished shape. The CNC milling process starts with you creating a 3D CAD model of your desired part geometry before converting it to a computer program (G-code) using CAM software. This computer program then automates the operation of the cutting tool to create your desired parts.

Learn more about CNC milling

Request CNC Milling Services Quote

CNC Turning Services

CNC turning is a manufacturing process that relies on a computer program to remove portions of material from a workpiece and create desired parts. The process starts with you creating a 3D CAD model of your desired part before converting it into G-code (computer program) using computer-aided manufacturing (CAM) software. The G-code then automates the operation of the cutting tool and workpiece to create your desired shape.

Learn more about CNC turning

Request CNC Turning Services Quote

Swiss CNC Machining Services

Swiss CNC Machining is an advanced precision turning technology specifically designed for small, high-accuracy components. Its hallmark features include a guide bushing support system and moving headstock configuration that provides exceptional rigidity during cutting, enabling stable machining of long, slender parts with diameters ranging 1-32mm and high length-to-diameter ratios.

This technology combines multiple axes (main/sub-spindle + multi-turret) to perform complex turning-milling operations in a single setup, achieving tight tolerances of ±0.005mm and surface finishes below Ra 0.4μm.

Learn more about Swiss CNC Machining

Request Swiss CNC Services Quote

5-Axis CNC Machining Services

3 axis is the simplest and most common type of CNC machine. 4 axis machines are more complex and can be used to perform more complicated operations. 5 axis machines are the most complex type of CNC machine since they can do almost any type of operation that a 3 or 4 axis CNC machine would do, while adding the ability to work on non-flat surfaces.

5-axis machining refers to a machine’s ability to move a tool or a part in five different axes simultaneously. Basic machining operates on three primary axes, X,Y, and Z; however, a 5-axis CNC machining tool can rotate two additional axes, A and B, which give the cutting tool a multidirectional approach.

Learn more about 5-Axis CNC Machining

Request 5-Axis Machining Services Quote

High-Axis CNC System Structure Comparison

System Type

Example Equipment

Machining Capability Description

Typical Application Industries

3-Axis

Standard Vertical Machining Center

Flat surfaces, simple contours, drilling, slot milling

Molds, consumer electronics, enclosures

4-Axis

Rotary Table Added Machine

Multi-side machining, angled drilling, spiral cutting

Woodworking, auto parts, decorative components

5-Axis (3+2)

Tilting rotary head (indexing only)

Medium complexity, not simultaneous multi-axis

General industrial parts

5-Axis Simultaneous

High-end 5-axis machining center

Complex freeform surfaces, deep cavities, steep angle machining

Aerospace, medical implants, defense parts

6-Axis or Above

6- or 7-Axis Robotic Arm

Complex spatial paths, compound angles, high-flexibility applications

Automotive, military, complex assembly

9-Axis / 5-Axis Simultaneous

Dual spindle + twin turret + 3 rotary axes

Simultaneous 2-face machining, fewer setups, ultra-high efficiency

Jet engine parts, orthopedic implants, structural aerospace parts

Why Choose NAITE TECH Precision CNC Machining?

30+ Years In Parts Manufacturing

Having carried out rapid prototyping and custom parts machining over 30 years, our engineers have built up rich experience. We can handle all types of projects.

Stringent Quality Control

Our highly qualified engineers and machinists work with our dedicated quality control team to ensure that products are done right the first time and satisfy customers’ requirements and standards.

Professional Engineering Support

Work with our engineering experts that offer technical design guidance and inform you on manufacturability and cost-saving solutions. Free and accurate quotation with DFM review in 12 hours and lead time as fast as 1 day.

Robust Manufacturing Capability with Advanced Equipment

With a strong team of skilled engineers and machinists, we leverage top-tier software such as SolidWorks, MasterCAM, AutoCAD, and Esprit CAM to develop high-precision 3D CAD models that meet strict DFM (Design for Manufacturing) standards. Our facility is equipped with over 150 high-precision CNC lathes and 20+ turning-milling machines, supported by advanced inspection tools like CMMs and optical projectors. Combined with access to 100+ material types and 20+ surface finishes, we ensure high-efficiency, consistent, and top-quality machining services.

Get A Free Quote

Precision CNC Machining Metal Materials

We offer precision CNC machining for a wide range of metal and plastic materials, supporting everything from rapid prototypes to production parts.
Our material capabilities enable engineers to balance performance, tolerance, weight, and cost across diverse applications.

Metals

Aluminum

Aluminum

Lightweight, corrosion-resistant, and easy to machine, aluminum is ideal for precision CNC parts that require strength, efficiency, and tight tolerances.

Common Grades:
· 6061 / 6061-T6

· 7075 / 7075-T6

· 2024 · 5052

· 5083 · 6063

· 6082

· ADC12 (A380)

Key Advantages:
· Excellent machinability

· Cost-efficient

· Tight tolerances supported

Typical Lead Time:
~5 business days

Learn more about CNC machining capabilities for Aluminum.
Stainless Steel

Stainless Steel

Known for its strength and corrosion resistance, stainless steel is widely used for CNC components that must perform reliably in demanding environments.

Common Grades:
·304

· 316L

· 303

· 17-4PH

Key Advantages:
· Corrosion-resistant

· High strength

· Dimensional stability

Typical Lead Time:
~7 business days
Brass

Brass

Brass offers excellent machinability and a clean surface finish, making it well suited for precision fittings, connectors, and aesthetic components.

Common Grades:
· C360

· C260

· C280

Key Advantages:
· Superior machinability

· Good conductivity

· Smooth surface finish

Typical Lead Time:
~5 business days
Carbon Steel

Carbon Steel

Carbon steel provides high strength and cost efficiency, making it a practical choice for structural and mechanical CNC machined parts.

Common Grades:
· 1018

· 1020

· 1045

· A36

Key Advantages:
· High strength

· Cost-effective

· Widely used

Typical Lead Time:
~7 business days
Copper

Copper

With outstanding electrical and thermal conductivity, copper is ideal for CNC machining of electrical components and heat-transfer parts.

Common Grades:
· C110

· C101

· C102

Key Advantages:
· Excellent conductivity

· Thermal efficiency

· High purity options

Typical Lead Time:
~7 business days
Bronze

Bronze

Bronze combines wear resistance with low friction, making it a preferred material for bearings, bushings, and moving mechanical components.

Common Grades:
· C932

· C954

· C836

Key Advantages:
· Wear-resistant

· Low friction

· Corrosion-resistant

Typical Lead Time:
~7 business days
Iron

Iron

Iron offers high rigidity and vibration damping, commonly used for heavy-duty industrial components and structural CNC applications.

Common Grades:
· Cast Iron

· Ductile Iron

Key Advantages:
· High rigidity

· Vibration damping

· Suitable for heavy parts

Typical Lead Time:
~7–10 business days
Steel

Steel

Steel is a versatile CNC machining material that delivers strength, durability, and flexibility across a wide range of industrial applications.

Common Grades:
· 4140

· 4130

· Mild Steel

· Tool Steel

Key Advantages:
· High strength

· Versatile use

· Reliable performance

Typical Lead Time:
~7 business days
Magnesium Alloy

Magnesium Alloy

Extremely lightweight and highly machinable, magnesium alloys are ideal for CNC parts where weight reduction is a critical requirement.

Common Grades:
· AZ31

· AZ91

Key Advantages:
· Ultra-lightweight

· Excellent machinability

· High strength-to-weight ratio

Typical Lead Time:
~7 business days
Titanium Alloy

Titanium Alloy

Titanium alloys deliver exceptional strength-to-weight performance and corrosion resistance for high-demand, precision CNC applications.

Common Grades:
· Ti-6Al-4V (Grade 5)

· Grade 2

Key Advantages:
· High strength-to-weight

· Corrosion-resistant

· Aerospace-grade performance

Typical Lead Time:
~10 business days

Plastics

ABS

ABS

ABS is a versatile thermoplastic with excellent impact resistance and dimensional stability, suitable for functional prototypes and industrial components.

Common Grades:
· Standard ABS

· ABS-M30

· ABS+

Key Advantages:
· Impact-resistant

· Good machinability

· Cost-efficient

Typical Lead Time:
~5 business days
PMMA (Acrylic)

PMMA (Acrylic)

PMMA offers high optical clarity, excellent surface finish, and UV resistance, ideal for transparent parts and display applications.

Common Grades:
· Cast PMMA

· Extruded PMMA

Key Advantages:
· Transparent

· Scratch-resistant

· UV-stable

Typical Lead Time:
~5 business days
PC (Polycarbonate)

PC (Polycarbonate）

PC is a strong, transparent engineering plastic with high impact resistance and heat resistance, ideal for durable functional prototypes.

Common Grades:
· Standard PC

· PC-ABS blend

Key Advantages:
· High strength

· Transparent

· Heat-resistant

Typical Lead Time:
~5 business days
POM (Acetal)

POM (Acetal)

POM provides excellent dimensional stability, low friction, and wear resistance, making it ideal for gears, bearings, and precision mechanical parts.

Common Grades:
· Delrin® 500

· Acetal Copolymer

Key Advantages:
· Low friction

· Wear-resistant

· High dimensional stability

Typical Lead Time:
~5 business days
PE (Polyethylene)

PE (Polyethylene）

PE is lightweight, chemically resistant, and easy to machine, suitable for containers, insulation parts, and general prototypes.

Common Grades:
· HDPE

· LDPE

· UHMWPE

Key Advantages:
· Chemical-resistant

· Lightweight

· Easy to machine

Typical Lead Time:
~5 business days
Nylon (PA)

Nylon (PA)

Nylon is a strong, flexible engineering plastic with excellent wear resistance, ideal for functional parts like gears, bushings, and mechanical components.

Common Grades:
· PA6

· PA66

· Glass-filled PA

Key Advantages:
· Wear-resistant

· Strong

· Low friction

Typical Lead Time:
~5 business days
PEEK

PEEK

PEEK is a high-performance polymer with excellent thermal stability, chemical resistance, and mechanical strength for demanding applications.

Common Grades:
· Unfilled PEEK

· Carbon-filled PEEK

· Glass-filled PEEK

Key Advantages:
· High-temperature resistant

· Chemically resistant

· High strength

Typical Lead Time:
~7 business days
PTFE (Teflon)

PTFE (Teflon)

PTFE provides exceptional chemical resistance, low friction, and non-stick properties, ideal for seals, gaskets, and sliding components.

Common Grades:
· Virgin PTFE

· Filled PTFE

Key Advantages:
· Non-stick

· Chemically resistant

· Low friction

Typical Lead Time:
~5 business days
PET

PET

PET is a strong, dimensionally stable plastic with good chemical resistance, commonly used for structural parts and containers.

Common Grades:
· Standard PET

· PETG

Key Advantages:
· Strong

· Chemically resistant

· Dimensionally stable

Typical Lead Time:
~5 business days
PP (Polypropylene)

PP (Polypropylene)

PP is a lightweight, chemically resistant plastic suitable for functional parts, packaging prototypes, and fluid handling components.

Common Grades:
· Homopolymer PP

· Copolymer PP

Key Advantages:
· Lightweight

· Chemical-resistant

· Easy to machine

Typical Lead Time:
~5 business days
PPS (Polyphenylene Sulfide)

PPS (Polyphenylene Sulfide)

PPS is a high-performance engineering plastic with excellent chemical and heat resistance, ideal for industrial and electronic applications.

Common Grades:
· Standard PPS

· Glass-filled PPS

Key Advantages:
· Heat-resistant

· Chemically resistant

· High dimensional stability

Typical Lead Time:
~7 business days
PVC

PVC

PVC is a cost-effective plastic with good chemical resistance and electrical insulation properties, used for enclosures, tubing, and protective components.

Common Grades:
· Rigid PVC

· Flexible PVC

Key Advantages:
· Chemical-resistant

· Electrically insulating

· Cost-effective

Typical Lead Time:
~5 business days
PEI

PEI

PEI is a high-performance thermoplastic with excellent mechanical strength, thermal resistance, and dimensional stability for engineering applications.

Common Grades:
· Standard PEI

· Glass-filled PEI

Key Advantages:
· High strength

· Heat-resistant

· Dimensionally stable

Typical Lead Time:
~7 business days
FR4 / G-10

FR4 / G-10

FR4 and G-10 are fiberglass-reinforced epoxy laminates, ideal for PCB substrates and structural components requiring electrical insulation.

Common Grades:
· FR4

· G-10 standard

Key Advantages:
· Electrically insulating

· High rigidity

· Heat-resistant

Typical Lead Time:
~7 business days
Carbon Fiber (CF)

Carbon Fiber (CF)

Carbon fiber reinforced plastics offer exceptional stiffness-to-weight ratio and high strength for aerospace, automotive, and industrial prototypes.

Common Grades:
· CF-PA

· CF-PET

· CF-PPS

Key Advantages:
· Lightweight

· High strength

· Stiffness

Typical Lead Time:
~7 business days
Bakelite

Bakelite

Bakelite is a thermosetting plastic with excellent electrical insulation, dimensional stability, and heat resistance, suitable for electrical and mechanical parts.

Common Grades:
· Standard Bakelite

· Filled Bakelite

Key Advantages:
· Heat-resistant

· Electrically insulating

· Dimensionally stable

Typical Lead Time:
~7 business days
PPSU (Polyphenylsulfone)

PPSU (Polyphenylsulfone)

PPSU is a high-performance plastic with excellent impact resistance, thermal stability, and chemical resistance, ideal for medical and industrial applications.

Common Grades:
· Standard PPSU

· Glass-filled PPSU

Key Advantages:
· Impact-resistant

· Heat-resistant

· Chemically resistant

Typical Lead Time:
~7 business days
PU (Polyurethane)

PU (Polyurethane)

PU is a flexible, durable plastic suitable for prototyping parts that require elasticity, abrasion resistance, or cushioning.

Common Grades:
· Rigid PU

· Flexible PU

· Cast PU

Key Advantages:
· Elastic

· Wear-resistant

· Durable

Typical Lead Time:
~5 business days
HIPS (High Impact Polystyrene)

HIPS (High Impact Polystyrene)

HIPS is a lightweight, cost-effective plastic with good impact resistance and machinability, ideal for prototypes and consumer products.

Common Grades:
· Standard HIPS

· ABS-HIPS blends

Key Advantages:
· Impact-resistant

· Cost-efficient

· Easy to machine

Typical Lead Time:
~5 business days

All listed metal and plastic materials are compatible with precision CNC milling and turning.
Machining processes and cutting strategies are optimized based on each material’s characteristics.

Learn more about our comprehensive materials processing services.

Surface Finishing for CNC Machined Parts

Choose from 100+ CNC machining materials to match your project’s functional and aesthetic requirements. From aluminum, steel, and brass to advanced plastics, we provide high-quality materials for your custom CNC parts.

As-Machined

Machined surface without further treatment, retaining tool marks; surface roughness approximately Ra 3.2 μm.

Polishing

Removes minor protrusions and scratches through mechanical or electrochemical methods to achieve a smooth or mirror-like surface.

Sandblasting

Uses high-speed abrasive blasting (e.g., quartz sand, steel grit) to remove oxidation layers, burrs, and other contaminants, resulting in a uniform matte or rough surface.

Anodizing

Electrochemical treatment of aluminum and its alloys to form a dense oxide film, enhancing corrosion and wear resistance; can be colored.

Electroplating

Deposits metal coatings (e.g., gold, nickel, chrome, zinc) on the surface through electrolysis to enhance corrosion resistance, hardness, and appearance.

Heat Treatment

Includes annealing, quenching, tempering, etc., altering the internal structure of metals through heating and cooling to improve hardness, strength, and wear resistance.

Painting

Applies paint to the surface to form a protective film, preventing corrosion and providing desired color and gloss.

Powder Coating

Electrostatic application of dry powder coating followed by heating to cure, forming a durable and hard coating.

Satin Finish

Achieves a uniform matte effect through mechanical polishing or sandblasting, reducing reflectivity.

Brushing

Creates uniform linear textures on the surface using abrasive brushes or belts, providing a decorative finish

Tumbling

Places parts and abrasives in a tumbler to remove burrs and improve surface smoothness through friction.

Bead Blasting

High-pressure blasting with non-metallic abrasives like glass or ceramic beads to create a fine matte finish.

Shot Peening

Bombards the surface with steel shots at high speed to induce compressive stress layers, enhancing fatigue strength and crack resistance.

Electrophoretic Painting

Immerses parts in a charged paint solution, using an electric field to uniformly deposit paint, forming a dense coating.

Electroless Plating

Deposits metal coatings (commonly nickel, copper) on surfaces through chemical reactions without external current.

Grinding

Uses grinding wheels or similar tools for precise cutting, achieving high dimensional accuracy and surface finish.

Honing

Employs honing stones to improve roundness, straightness, and surface finish of holes.

Lapping

Introduces abrasive slurry between the workpiece and a lapping tool, achieving ultra-precise surface finishes through relative motion..

Flame Polishing

Rapidly heats plastic surfaces with a flame, causing them to melt slightly and self-level, removing minor burrs.

Vapor Polishing

Exposes plastic surfaces to chemical solvent vapors, melting the surface layer to self-level and smooth imperfections.

Learn more about our full range of surface finishing services.

Precision CNC Machining Tolerance

At NAITE, our standard machining tolerances adhere to:
• ISO 2768 (medium grade) for plastic components
• ISO 2768 (fine grade) for metal parts

Our standard CNC machining capabilities maintain tolerances within:
• ±0.005" (±0.125mm) to ±0.002" (±0.05mm)

For components requiring tighter tolerances than our standard range:
1. Please provide complete 2D technical drawings with all specifications
2. Our engineering team will:
• Review all critical dimensions with you
• Determine the optimal manufacturing approach
• Deliver the highest achievable precision for your application
We ensure transparent communication throughout the process to meet your exact precision requirements.

CNC Machining Tolerance Reference Table (Unit: mm)

Machining Level

Equipment Type

Material Type

General Dimensional Tolerance

Hole Tolerance

Surface Roughness (Ra)

Standard Precision

3-Axis CNC / Lathe

Aluminum, Brass, Plastics

±0.10 – ±0.20 mm

±0.10 – ±0.15 mm

3.2 – 6.3 µm

Precision Level

4-Axis / 5-Axis / Mill-Turn

Aluminum, Steel, Stainless

±0.025 – ±0.05 mm

±0.02 – ±0.05 mm

1.6 – 3.2 µm

High Precision

5-Axis Simultaneous / 9-Axis

Titanium, Alloy Steel

±0.005 – ±0.01 mm

0.4 – 1.6 µm

Ultra Precision

Ultra-Precision / EDM / Nano Machining

Advanced Alloys, Ceramics

±0.001 – ±0.005 mm

±0.002 – ±0.005 mm

0.1 – 0.4 µm

CNC Machining Design Guidelines

Feature

Description

Internal corner fillets

Design internal corner fillets to be 0.020"-0.050" greaterthan a standard drill size for the radii. Follow a drilldiameter to depth ratio of 1:6 (1:4 recommended) as aguideline for internal corner radii.

Floor fillets

Design floor fillets smaller than corner fillets to allow thesame tool to clear material from the interior.

Undercuts

Always design undercuts to standard sizes and awayfrom corners so they are accessible by the cutting tool.

Tapped/threaded hole depth

Provide tool clearance slightly beyond the tapped holedepth to ensure complete threads.

Complexity

Keep the number of small cuts to a minimum to reducethe CNC machining service cost; only design in thenecessary features to balance function with aesthetic.

Get More Tips With Our Complete Design Guide

View More Design Guidelines

Responsible For Every Micron Of Precision—High Quality CNC Machining, Every Time

From raw materials to finished product, a sophisticated quality firewall is embedded throughout the entire production process.

naite tech staff are inspecting machined cnc parts

careful quality inspection is being carried out on the cnc components

For NAITE TECH, we recognize that producing high-quality parts is essential to your success. Our CNC machining experts are committed to delivering precision, efficiency, and consistent quality at every step of the production process.

We uphold a comprehensive quality control and assurance system throughout each phase of CNC machining, whether your project requires simple or complex components in small or large quantities. Every part implement strict inspection using advanced equipment such as CMM, two-dimensional measuring tools, XRF analyzers, gauges, micrometers, and calipers.

Our team is dedicated to ensuring dimensional accuracy and functionality, inspecting both prototypes and final products. Should any discrepancies arise, we take immediate corrective actions to uphold our high-quality standards.
With extensive experience and ISO 9001 certification, we consistently meet the stringent quality expectations of today’s competitive manufacturing environment.

20+ inspection equipment
30+ quality engineers
ISO 9001:2015, ISO 13485, ISO 14001, and IATF 16949

Learn More About Our Quality Control

CNC Machined Parts & State of the Art Equipment

Put Your CNC Parts Into Production Today.
GET Online CNC Machining Services

Mold & Die Making Typical 5-Axis Machined Parts

Automotive Typical 5-Axis Machined Parts

Typical CNC Turned Parts for Aerospace & Aviation

Typical CNC Turned Parts for Robotics & Automation

Typical CNC Turned Parts for Industrial Machinery & Equipment

Watchmaking & Instruments Typical Swiss CNC Machined Parts

Aerospace Typical Swiss CNC Machined Parts

Industrial Equipment Typical Swiss CNC Machined Parts

naite tech's sister cnc machining workshop

View Our Equipment List

Packaging & Shipping

Safe, Reliable, and Worldwide Delivery for Every Custom Part

Each product is securely packed using industry-grade materials such as EPE foam, bubble wrap, vacuum-sealed bags, and reinforced cartons.

For high-value or heavy metal components, we use custom wooden crates with moisture-proof linings to prevent damage during transit.
We offer multiple shipping options to meet your budget and schedule — from express courier for prototypes to bulk sea freight for mass production.

Our logistics team assists with customs documentation and ensures your order arrives on time, anywhere in the world.

Our Packaging Standards

Machines Set

Countries Shipped

Customers Served

Success Stories of CNC Machining Projects

NAITE TECH partners with companies across automotive, aerospace, medical, electronics, and robotics industries. From individual innovators to Fortune 500 enterprises, we provide CNC machining solutions trusted worldwide.

Rapid CNC Prototyping for Robotics Components
Aluminum CNC Machining for Electronics Enclosure
Precision CNC Machining of Stainless Steel Components

Rapid CNC Prototyping for Robotics Components

Industry: Robotics & Automation
Material: Aluminum Alloy
Process: CNC Machining (Prototype)

-----------------------------------------------------------

Project Overview
A robotics startup required rapid CNC prototyping to validate mechanical design before mass production.

Key Challenges

● Short lead time requirement

● Multiple design iterations

● Functional fit and assembly testing

NAITE TECH Solution

● Fast DFM review and machining strategy

● Flexible scheduling for low-volume production

● Rapid turnaround without tooling

-----------------------------------------------------------

Results
● Prototype delivered in 5 days
● Accelerated product development cycle

● Smooth transition to production stage
Aluminum CNC Machining for Electronics Enclosure

Industry: Consumer Electronics
Material: Aluminum Alloy
Process: CNC Milling (3-Axis & 5-Axis)
Surface Finish: Anodized (Black)

-----------------------------------------------------------

Project Overview
The customer required a lightweight aluminum enclosure with precise internal pockets, threaded holes, and a uniform anodized surface for electronic components.

Key Challenges

● Thin-wall design with internal cavities

● Cosmetic surface requirement

● Tight dimensional control for assembly fit

-----------------------------------------------------------

NAITE TECH Solution

● Optimized roughing and finishing toolpaths

● Controlled anodizing thickness to maintain tolerance

● 100% inspection on critical dimensions

Results

● Tolerance achieved: ±0.02 mm

● Smooth anodized surface with consistent color

● Stable repeatability for batch production
Precision CNC Machining of Stainless Steel Components

Industry: Medical Equipment
Material: Stainless Steel
Process: CNC Milling + CNC Turning

-----------------------------------------------------------

Project Overview
A precision stainless steel component used in medical equipment required high corrosion resistance and tight tolerance on mating features.

Key Challenges

● Hard-to-machine stainless steel material

● High accuracy requirements on internal holes

● Strict surface quality expectations

-----------------------------------------------------------

NAITE TECH Solution

● Optimized cutting parameters for stainless steel

● In-process inspection to control dimensional drift

● Fine finishing passes on critical features

Results

● Tolerance maintained within ±0.01 mm

● Improved surface finish on functional areas

● Reliable quality for repeated orders

NAITE TECH CNC Machining Solutions

Whether you’re creating a small batch of custom parts or scaling up for high-volume production, NAITE TECH custom CNC machining services offer the flexibility you need.

Rapid Prototyping

CNC rapid prototype machining is perfect for creating engineering or production prototypes that closely resemble the final product in both appearance and functionality. At NAITE TECH, we offer instant quotes and fast delivery, providing you with precise, high-quality CNC machined prototypes for your needs.

Lead Time: 1-5 business days
Capability: 1-100 pcs
Get 20% off the price

High-precision machined metal parts with complex geometries

Low Volume Manufacturing

Low volume CNC machining often acts as a bridge between prototyping and mass production for new and emerging production. With NAITE TECH, this process becomes easier, more efficient, and cost-effective, allowing you to scale production quickly while maintaining high-quality standards.

Lead Time: 5-15 business days
Capability: 101-10,000 pcs
Meet tight specifications

CNC machined parts of aluminum alloy & carbon fiber

End-use Production

CNC production machining is the best solution for producing a thousand parts or more efficiently. Leveraging a diverse selection of materials and automation and multi-axis capabilities, NAITE TECH delivers high-volume production with tight tolerances, superior dimensional accuracy, high reliability and fast turnaround times.

Lead Time: 2-4 weeks
Capability: Above 10,001 pcs
Consistent Quality

Precision CNC Machining FAQs

Q1: What is CNC machining and how does it work?

CNC machining is a subtractive manufacturing process where computer-controlled machines remove material from solid blocks to create precise parts. The process uses multi-axis movement—typically 3-axis, 4-axis, or 5-axis—to achieve tight tolerances and complex geometries. CNC machining is widely used for both prototyping and production.
Q2: What materials can be used for CNC machining?

CNC machining supports a wide range of materials, including aluminum alloys, stainless steel, carbon steel, brass, copper, titanium, and engineering plastics such as ABS, POM, Nylon, and PEEK. Material selection depends on strength, corrosion resistance, weight, and cost requirements.
Q3: What tolerances can CNC machining achieve?

Standard CNC machining tolerances typically range from ±0.05 mm to ±0.1 mm. For high-precision parts, tolerances as tight as ±0.005 mm can be achieved with optimized processes and inspection. GD&T features such as concentricity, flatness, and position are also supported.
Q4: What is the difference between 3-axis, 4-axis, and 5-axis CNC machining?

3-axis machining moves the tool along X, Y, and Z axes and is suitable for simple geometries.
4-axis machining adds rotational movement for improved access.
5-axis CNC machining allows simultaneous multi-directional cutting, reducing setups and improving accuracy for complex parts.
Q5: What surface finishes are available for CNC machined parts?

Common surface finishes include as-machined, polishing, bead blasting, anodizing, powder coating, electroplating, black oxide, and brushing. Surface finishing improves appearance, corrosion resistance, and functional performance.
Q6: How long does CNC machining take?

Lead times depend on part complexity, material, and order quantity.

√Prototypes: 3–7 days
√Low-volume production: 1–3 weeks
√Larger batches: project-based scheduling

Fast-track options are available for urgent projects.
Q7: Is CNC machining suitable for low-volume production?

Yes. CNC machining is ideal for low to medium volumes due to minimal tooling requirements and flexible setup. It is commonly used for prototypes, custom parts, and short production runs.
Q8: What file formats do you accept for CNC machining?

We accept standard CAD formats including STEP / STP, IGES, SolidWorks, and PDF drawings. Clear drawings with tolerance and surface finish requirements help ensure accurate manufacturing.
Q9: How do you ensure quality in CNC machining?

Our quality assurance system includes incoming material inspection, in-process quality control, first article inspection (FAI), full dimensional inspection using CMM, surface inspection, and final quality verification with complete reports.
Q10: Can CNC machining be combined with other manufacturing processes?

Yes. CNC machining is often combined with casting, forging, 3D printing, surface finishing, and assembly to optimize cost and performance. NAITE TECH provides one-stop manufacturing solutions.

Start Your CNC Machining Project Today

Upload your CAD files and receive an instant CNC Machining quote within 12 hours.
Our engineering team will analyze your design, suggest optimizations, and provide a detailed quotation with clear pricing and lead time.

Get Instant Quote

Upload Your CAD Files

Talk to Our Engineers

Custom CNC Machining Services for Precision Parts

-Quality Parts Made Efficiently, Precisely, Reliably

What is Precision CNC Machining?

Our CNC Machining Capabilities

CNC Milling Services

CNC Turning Services

Swiss CNC Machining Services

5-Axis CNC Machining Services

High-Axis CNC System Structure Comparison

Why Choose NAITE TECH Precision CNC Machining?

30+ Years In Parts Manufacturing

Stringent Quality Control

Professional Engineering Support

Robust Manufacturing Capability with Advanced Equipment

Precision CNC Machining Metal Materials

Metals

Aluminum

Stainless Steel

Brass

Carbon Steel

Copper

Bronze

Iron

Steel

Magnesium Alloy

Titanium Alloy

Plastics

ABS

PMMA (Acrylic)

PC (Polycarbonate）

POM (Acetal)

PE (Polyethylene）

Nylon (PA)

PEEK

PTFE (Teflon)

PET

PP (Polypropylene)

PPS (Polyphenylene Sulfide)

PVC

PEI

FR4 / G-10

Carbon Fiber (CF)

Bakelite

PPSU (Polyphenylsulfone)

PU (Polyurethane)

HIPS (High Impact Polystyrene)