CNC Metal Parts

Custom CNC Metal Parts in Aluminum, Steel, Brass, Copper & Titanium

Explore our full range of CNC machined metal parts for prototypes, custom components, and low-volume production. CNCTAL supports a wide selection of metal materials with tight tolerances, stable quality, and global delivery for industrial, automotive, robotics, electronics, and equipment applications.

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Wide Metal Material Options Aluminum, stainless steel, carbon steel, brass, copper, titanium, and more.

Tolerances up to ±0.01 mm Precision machining support for complex custom metal parts and assemblies.

Prototype to Production Flexible support for one-off parts, small batches, and ongoing repeat orders.

Custom CNC machined metal parts in aluminum, steel, brass, copper, and titanium

Multiple Metals One page overview

Custom Machining Milling & turning

Global Supply Fast quote support

Metal Materials Overview

Explore the Metal Materials We Machine

CNCTAL machines a wide range of metal materials for custom parts, prototypes, and low-volume production. From lightweight aluminum to high-strength steel and corrosion-resistant titanium, we help you choose the right material for performance, cost, and application needs.

Aluminum

Lightweight, easy to machine, and corrosion-resistant. Ideal for housings, brackets, frames, enclosures, and precision structural parts.

6061 6063 7075

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Stainless Steel

Strong, wear-resistant, and corrosion-resistant. Suitable for industrial equipment, medical devices, fixtures, shafts, and demanding functional components.

304 316 17-4PH

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Carbon Steel

Cost-effective and durable for structural parts, machine components, fixtures, and general industrial applications requiring reliable strength.

1018 1045 A36

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Alloy Steel

Offers improved toughness, wear resistance, and mechanical performance for gears, shafts, tooling parts, and heavy-duty machined components.

4140 4340 8620

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Magnesium

Magnesium is a lightweight, high-strength material used in automotive and aerospace applications.

AZ31B AZ61A

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Brass

Excellent machinability and good corrosion resistance. Often used for fittings, valves, connectors, inserts, decorative parts, and electrical components.

C360 C260 C272

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Copper

Known for high electrical and thermal conductivity. Suitable for electrical contacts, heat transfer parts, busbars, and custom conductive components.

C101 C110 C145

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Titanium

Lightweight, high-strength, and highly corrosion-resistant. Ideal for aerospace, UAV, medical, marine, and high-performance engineering applications.

Grade 2 Grade 5 Ti-6Al-4V

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Need help selecting the right metal for your part? Our engineers can recommend a suitable material based on strength, weight, corrosion resistance, surface finish, and cost targets.

Why CNC Metal Parts

Why Metal Materials Are Widely Used for CNC Machined Parts

CNC machined metal parts are widely selected for applications that require strength, stability, durability, and long-term performance. From lightweight aluminum components to high-strength steel and corrosion-resistant titanium, metal materials provide reliable solutions for industrial and precision manufacturing.

Reliable Performance for Structural and Functional Parts

Metal materials are often the first choice for custom CNC parts when customers need strong mechanical performance, dimensional stability, and dependable service life. Compared with plastics, metals are better suited for load-bearing structures, wear-resistant parts, heat-resistant components, and precision assemblies.

At CNCTAL, we machine a wide range of metals to meet different project needs, whether you need lightweight housings, durable machine parts, conductive copper components, or high-strength titanium parts for demanding industries.

High Strength & Rigidity Suitable for brackets, shafts, fixtures, frames, and demanding structural components.

Better Heat & Wear Resistance Ideal for industrial parts exposed to friction, pressure, or elevated operating temperatures.

Corrosion Resistance Options Available materials such as aluminum, stainless steel, brass, and titanium perform well in harsh environments.

Wide Surface Finish Compatibility Supports anodizing, plating, polishing, brushing, powder coating, and other post-processing options.

Material Flexibility

Different metals offer different benefits in weight, strength, machinability, conductivity, and corrosion resistance, making CNC metal machining suitable for many industries and product types.

Precision Manufacturing

CNC machining makes it possible to produce tight-tolerance metal parts with accurate dimensions, clean details, and repeatable quality for prototypes and low-volume production.

Fit for Many Applications

Metal CNC parts are commonly used in robotics, automation equipment, automotive systems, electronics, aerospace, medical devices, and custom machinery projects.

Featured Metal Materials

Popular Metal Options for Custom CNC Parts

Below are some of the most commonly used metal materials for CNC machining. Each material offers different advantages in weight, strength, corrosion resistance, conductivity, and machinability, helping customers choose the right solution for their project requirements.

Aluminum CNC Parts

Aluminum is one of the most popular materials for CNC machining thanks to its light weight, good machinability, corrosion resistance, and cost-effectiveness. It is widely used for enclosures, brackets, frames, housings, and precision functional parts.

Lightweight
Easy to Machine
Corrosion Resistant
Anodizing Friendly

Common Grades 6061, 6063, 7075

Typical Uses Housings, frames, brackets, UAV and robotics parts

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Stainless Steel CNC Parts

Stainless steel is selected for CNC machined parts that need strength, wear resistance, and reliable corrosion performance. It is suitable for industrial equipment, medical components, shafts, fixtures, brackets, and demanding mechanical parts.

Strong & Durable
Wear Resistant
Corrosion Resistant
Industrial Grade

Common Grades 304, 316, 17-4PH

Typical Uses Equipment parts, fixtures, shafts, medical and marine components

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Brass CNC Parts

Brass offers excellent machinability, stable dimensional performance, and good corrosion resistance. It is widely used for fittings, valves, inserts, connectors, decorative parts, and precision machined components that require a clean surface finish.

Excellent Machinability
Stable Performance
Good Corrosion Resistance
Clean Surface Finish

Common Grades C360, C260, C272

Typical Uses Fittings, connectors, inserts, valve parts, electrical hardware

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Titanium CNC Parts

Titanium is a premium material known for its high strength-to-weight ratio and excellent corrosion resistance. It is often used in aerospace, UAV, marine, medical, and other high-performance applications where weight reduction and durability are critical.

High Strength
Lightweight
Highly Corrosion Resistant
High-Performance Use

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

Typical Uses Aerospace parts, UAV structures, medical and marine components

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Material Selection Guide

How to Choose the Right Metal for Your CNC Part

Selecting the right metal material is an important step in CNC machining. The best option depends on your part’s strength requirements, weight target, corrosion resistance, surface finish needs, and project budget. A suitable material choice can improve performance, reduce machining cost, and support long-term product reliability.

Choose Based on Function, Environment, and Cost

Not every CNC metal part requires the same material. Lightweight parts may benefit from aluminum, while high-load or wear-resistant components may be better suited for steel. For corrosive environments, stainless steel or titanium can provide better long-term durability. Brass and copper are often selected when machinability or conductivity is important.

At CNCTAL, we help customers compare material options based on actual part usage, machining difficulty, finishing requirements, and target price. This helps avoid over-specifying expensive materials or choosing a metal that does not match the application.

Strength Requirement Choose steel or titanium for higher mechanical loads, while aluminum fits many lightweight structural parts.

Weight Target Aluminum and titanium are preferred when reducing part weight is important for system performance.

Corrosion Resistance Stainless steel, aluminum, brass, and titanium are good options for humid, outdoor, or chemical environments.

Machining Cost Some metals machine faster and more economically, while harder alloys may increase cycle time and tooling cost.

Conductivity Needs Copper and brass are commonly used when electrical or thermal conductivity is required.

Surface Finish Plan Consider whether the part needs anodizing, polishing, brushing, plating, or powder coating after machining.

Common Material Matching Logic

Choose aluminum for lightweight parts, enclosures, brackets, and general precision components.
Choose stainless steel for corrosion resistance, strength, and industrial durability.
Choose carbon or alloy steel for structural strength and cost-effective machine parts.
Choose brass for fittings, inserts, connectors, and excellent machinability.
Choose copper for electrical contacts, conductive parts, and heat transfer components.
Choose titanium for premium high-strength, lightweight, and corrosion-resistant applications.

Need Help Choosing a Material?

If you are not sure which metal grade is best for your project, our engineering team can recommend a suitable option based on your drawing, application, tolerance, and finishing requirements.

Share Your Drawing for Material Advice

We can help you compare material options and suggest a practical choice for cost, performance, and machining efficiency.

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Materials × Industries Application Guide

Different industries place unique demands on material performance. Below is a practical guide to help you quickly identify suitable CNC machining materials based on your industry and application requirements.

Aerospace

Titanium alloys for lightweight, high-strength components
Aluminum for structural and non-critical aerospace parts
Stainless steel for corrosion-resistant fittings

Titanium Aluminum Stainless Steel

Medical Devices

Titanium for implants and surgical instruments
Stainless steel for durable, sterilizable components
Engineering plastics for lightweight housings

Titanium Stainless Steel Plastic

Automotive

Aluminum for lightweight and heat-dissipating parts
Carbon steel for structural and load-bearing components
Alloy steel for gears and drivetrain parts

Aluminum Carbon Steel Alloy Steel

Industrial Equipment

Carbon steel for frames, brackets, and shafts
Alloy steel for wear-resistant parts
Stainless steel for harsh environments

Carbon Steel Alloy Steel Stainless Steel

Electronics

Aluminum for enclosures and heat sinks
Copper for electrical and thermal conductivity
Plastic for insulation and lightweight parts

Aluminum Copper Plastic

Energy & Power

Stainless steel for corrosion and pressure resistance
Alloy steel for high-load mechanical components
Titanium for extreme environments

Stainless Steel Alloy Steel Titanium

How It Works

We make the CNC machining process simple and clear. From your initial drawing submission to final delivery, CNCTAL provides responsive support to help you move your project forward efficiently.

Send Your Drawing

Share your 2D drawing, 3D file, material requirement, quantity, and any surface finish or tolerance details.

Review & Quotation

We review your project requirements and provide a quotation with lead time, machining process, and production details.

Order Confirmation

After confirming pricing and specifications, we arrange production based on your approved drawings and requirements.

Production & Inspection

Parts are machined according to the agreed process and inspected to help ensure dimensional accuracy and surface quality.

Packaging & Delivery

Finished parts are packed carefully and shipped to your address with support for international delivery.

What to Send for a Faster Quote

To speed up quotation and production review, it is helpful to provide complete project information at the beginning. This helps reduce back-and-forth communication and improves quote accuracy.

Recommended Information

2D drawing or 3D CAD file
Material specification
Required quantity
Tolerance requirements
Surface finish requirement
Delivery destination or shipping preference

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Ready to Start Your Custom CNC Machining Project?

From prototypes to low-volume production, CNCTAL provides precision CNC machining for custom metal and plastic parts. Send us your drawing or CAD file and our engineering team will review your project quickly.

±0.01 mm Precision Tolerance

24H Engineer Response

Prototype to Production Flexible Order Support

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Why Work With CNCTAL

Custom CNC milling and turning support
Aluminum, stainless steel, brass, copper, and plastics
Surface finishing and one-stop manufacturing solutions
Global delivery for Europe and North America

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