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Custom Online CNC Machining Services

Experience precision custom CNC machining services online for rapid prototyping and production. Upload CAD files and receive instant quotes, and manufacture custom metal and plastic parts with tight tolerances, ISO-certified quality, fast turnaround, and global shipping support, including tariff-inclusive prototype delivery.

Our Certifications

What is CNC Machining?

CNC, or Computer Numerical Control, refers to a subtractive manufacturing process that uses computer programs to control the movement and operation of machine tools. These programs convert CAD design specifications into numerical code, most commonly G-code, which directs axis movement, tool speed, feed rate, and cutting depth with computer-controlled precision. By replacing manual machining with automated control, CNC machining reduces human error, improves repeatability, and ensures consistent quality for custom metal and plastic parts requiring tight tolerances.

Precision CNC machining services use CNC milling machines, CNC turning centers, 3-axis and 5-axis systems, and EDM machines to remove material from solid blocks of stainless steel, aluminum alloys, titanium alloys, steel alloys, or engineering plastics such as PEEK and ABS. Compared to traditional machining, CNC machining service delivers consistent dimensional accuracy across production batches. Relative to 3D printing, CNC machining produces stronger, high-performance components with superior surface accuracy and impact resistance. This combination of accuracy, material versatility, and controlled manufacturing process makes CNC machining ideal for precision custom parts, whether in prototype or high-volume production.

CNC-Machining-Services

Types of CNC Machining Services We Offer

We offer CNC milling, CNC turning, CNC drilling, CNC grinding, EDM, and 5-axis CNC machining services to address diverse custom parts, complex geometries, and multi-industry manufacturing needs. Our precision machining covers 3-axis and 4-axis solutions for prismatic parts and advanced 5-axis CNC machining and EDM for intricate or hardened features, reducing setups, holding tight tolerances, and shortening lead times through one-stop customization, with milling suited for prismatic components, turning for rotational parts, and 5-axis or EDM CNC for complex multi-surface designs.

Below are the most common CNC machine services we provide:

CNC Milling Service

CNC Milling Service

Our 3-axis, 4-axis, and 5-axis milling machines create flat surfaces, slots, pockets, and complex 3D shapes for high-precision custom parts. We provide precision CNC machining services for complex metal and plastic components, and our multi-axis capability reduces setups, improves positional accuracy, and shortens lead times for both prototype and high-volume CNC machining. Our key capabilities include:

  • Tolerances: ±0.0005 inches for critical features, with positional accuracy of ±0.0002 inches per foot, ensuring tight tolerances for precision CNC-machined parts.
  • Ideal for: Parts with intricate details, such as gears, enclosures, custom fasteners, mold inserts, and structural brackets, that require dimensional stability and repeatability.
  • Software integration: Compatible with major CAD/CAM formats, including STEP, IGES, STL, and DWG, enabling seamless file transfer and efficient manufacturing process execution.
CNC Turning Service

CNC Turning Services

Our CNC turning centers produce high-precision rotational and symmetric components, including shafts, bushings, pins, and threaded parts. Equipped with live tooling, our CNC machining service performs milling, drilling, and tapping in a single setup, reducing lead time, improving concentricity, and supporting both prototype and high-volume CNC machining. Our turning capabilities ensure tight tolerances and consistent repeatability for precision custom CNC-machined parts. Common applications include:

  • Threaded components such as bolts and nuts, cylindrical shafts, and bushings.
  • Parts with symmetric geometries requiring high precision and surface consistency.
  • Our turning centers support spindle speeds up to 8,000 RPM with live tooling integration, enabling multi-feature machining in one cycle and improving manufacturing efficiency.
  • Deliver tolerances as tight as ±0.0002 inches, ensuring dimensional accuracy and roundness control for rotational machining parts.
Metal cutting drill bit in action.

CNC Drilling Services

With precision hole-making capability using rotating drill bits, our CNC drilling services create accurate holes with exact positioning and depth control for custom metal and plastic parts. Using high-speed drills or end mills ensures consistent hole diameter, depth, and positioning, even for parts with hundreds of holes, while integration with CNC milling and CNC turning reduces handling time and supports both prototype and high-volume CNC machining services. We offer:

  • Hole sizes: From 0.01 inches to 2 inches, with depth-to-diameter ratios up to 15:1 for deep-hole drilling applications.
  • Tapping capabilities: Up to 1″ thread size with thread depths up to 3× the diameter, enabling efficient threaded-feature production in medium- and high-volume runs.
  • Compatibility: Suitable for stainless steel, aluminum alloy, steel alloy, titanium alloy, and engineering plastics, including glass-filled materials.
CNC Grinding

CNC Grinding Services

CNC grinding uses abrasive wheels to refine surface finish and dimensional accuracy for custom parts requiring ultra-smooth surfaces and tight tolerances. As a finishing step within our precision CNC machining services, grinding improves flatness, roundness, and surface integrity for hardened metals and high-performance components used in automotive, aerospace, and industrial applications. This controlled manufacturing process ensures consistent repeatability for both prototype and high-volume CNC machining services. Our grinding services include:

  • Surface grinding: Produces flat surfaces with parallelism tolerance of ±0.0001 inches over 12 inches, ensuring dimensional stability for precision machining parts.
  • Cylindrical grinding: Achieves roundness tolerance of 0.00005 inches for shafts, pins, and other rotational components requiring tight concentricity.
  • Centerless grinding: Supports high-volume cylindrical parts such as shafts, delivering consistent diameter control and efficient production throughput.
EDM CNC

EDM CNC

EDM (Electrical Discharge Machining) uses controlled electrical sparks to erode material without direct tool contact, making it ideal for hard-to-machine materials and complex geometries. Because the process applies no cutting force, our precision CNC machining services produce delicate features, sharp internal corners, and hardened steel components without mechanical stress or deformation. This non-contact manufacturing process supports the production of custom CNC-machined parts in tool steel, stainless steel, and other materials up to 65 HRC hardness. We offer two types of EDM:

  • Wire EDM: Uses a thin electrically charged wire to cut intricate profiles with tolerances as tight as ±0.0001 inches.
  • Sinker EDM: Uses a custom electrode to create cavities and deep internal features with surface finishes down to Ra 0.05 μm.
  • Advantages: No mechanical cutting forces, enabling accurate machining of hardened or fragile components.
Multi Axis CNC Machining

5 Axis CNC Machining Services

5-axis CNC machining enables simultaneous movement along five axes, allowing complex geometries to be produced in a single setup. By reducing repositioning and multiple clamping operations, our precision CNC machining services improve dimensional accuracy, shorten cycle time, and lower overall production cost for custom CNC-machined parts. This capability supports both prototype and high-volume CNC machining services that require tight tolerances and multi-surface machining. Key benefits include:

  • Single-setup machining: Produces undercuts, angled holes, and curved surfaces in one operation, reducing setup time by up to 50% compared to 3-axis machining.
  • Improved surface quality: Continuous tool contact minimizes tool marks and maintains a consistent surface finish.
  • Tighter tolerances: Achieves accuracy up to ±0.0003 inches due to fewer setups and reduced alignment variation.

CNC Machining Materials We Provide

As a flexible manufacturing partner, HRCCNC machines 80+ materials, including stainless steel, aluminum, titanium, alloy steels, brass, magnesium, and high-performance plastics such as PEEK and ABS. These options support automotive, aerospace, medical, and industrial applications requiring corrosion resistance, impact strength, or biocompatibility. Our engineers recommend the right material based on part geometry, load conditions, and production volume.

Metal Materials

Our CNC machining services support a wide range of metal materials engineered for strength, durability, corrosion resistance, and high-precision custom parts, across prototype and high-volume CNC machining.

Aluminum Material

Aluminum Alloy

Lightweight at 1/3 the density of steel, aluminum alloy provides excellent machinability, corrosion resistance, and thermal conductivity. It is ideal for aerospace components, automotive parts, and consumer electronics such as laptop frames that require reduced weight and high-performance heat dissipation.

Stainless Steel Material

Stainless Steel

Stainless steel offers exceptional corrosion resistance, strength, and durability for demanding environments. Grades such as 304 and 316 are widely used in medical devices, food-processing equipment, and marine components requiring long-term structural stability and chemical resistance.

Stainless Steel

Steel

Known for its strength and durability, alloy steel provides cost-effective performance and reliable wear resistance for load-bearing machined parts. Grades such as 1018 and 4140 are widely used in industrial machinery components, tooling, gears, and automotive structural parts that require consistent mechanical reliability.

Titanium Material

Titanium Alloy

Engineered for demanding environments, titanium alloy combines high strength, low weight, and biocompatibility. It is widely used for medical implants, aerospace components, and high-temperature applications. Grade 5 (Ti-6Al-4V) remains the most common choice, though it requires precise CNC machining control due to its hardness and heat sensitivity during cutting.

Brass Material

Brass

Brass offers excellent machinability, stable tolerances, and strong electrical conductivity for precision parts. Grades like C360 enable smooth cutting and reduced tool wear. It is used for connectors, terminals, valves, fittings, and decorative hardware. Brass is non-magnetic and resists corrosion in mild environments.

Magnesium Alloy

Magnesium Alloy

Designed for lightweight performance, magnesium alloy is the lightest structural metal, even lighter than aluminum, with a high strength-to-weight ratio. It suits aerospace, automotive, and electronics applications where weight reduction improves efficiency, though CNC machining requires strict controls due to flammability risks.

Plastics Materials

Our CNC machining services support engineering plastics selected for impact strength, chemical resistance, electrical insulation, and lightweight performance, enabling precision, custom CNC-machined parts across prototype and high-volume applications.

ABS Material

ABS

Known for its versatility and affordability, ABS is a durable thermoplastic with strong impact resistance and easy machinability. It is widely used for consumer products, electronic enclosures, and functional prototypes. ABS accepts paint and adhesives well, making it suitable for customized housings and production-ready plastic components.

Polycarbonate

Polycarbonate (PC)

Polycarbonate is transparent, shatter-resistant, and heat-tolerant up to 135°C. It is used for optical components, safety guards, and medical device housings requiring clarity and structural strength. PC maintains performance in harsh environments and impact-sensitive applications.

POM

POM

Also known as acetal, POM is rigid, low-friction, and wear-resistant. It is used for gears, bearings, and precision mechanical parts such as zip fasteners, where smooth motion and dimensional stability are required in repeated-use assemblies.

Nylon Material

Nylon

Engineered for strength and durability, nylon is a flexible, wear-resistant thermoplastic with high tensile strength. It suits bushings, washers, gears, and automotive connectors that operate under friction or load. Nylon resists oils and fuels, making it reliable for demanding industrial and automotive applications.

Peek Material

PEEK

Built for extreme conditions, PEEK is a high-performance thermoplastic with heat resistance up to 260°C, strong chemical resistance, and biocompatibility. It is widely used for aerospace components, medical implants such as spinal devices, and industrial parts operating in harsh environments.

PMMA (Acrylic)

PMMA (Acrylic)

Offering optical clarity up to 92% light transmission, PMMA is a lightweight, transparent thermoplastic with strong UV and weather resistance. It maintains good surface hardness and dimensional stability, making it suitable for light covers, display panels, signage, lenses, and protective screens that require a glass-like appearance with improved impact resistance and lower weight.

CNC Machining Surface Finish We Offer

Surface finishes improve the appearance, corrosion resistance, durability, and functional performance of custom CNC-machined parts. Our in-house capabilities, including anodizing and advanced coatings, support precision CNC machining services with no MOQ for most options. These treatments ensure consistent quality and performance across both prototype builds and full-scale production runs.

As Machined

As Machined + Deburring

As machined parts are delivered without additional finishing, this is the default and cost-effective option for functional components. The process preserves dimensional accuracy from precision CNC machining services, while deburring removes sharp edges to improve edge safety and handling for prototypes and internal machining parts without aesthetic requirements.

Sandblasting

Bead Blasting

Bead blasting uses fine glass beads under high pressure to create a smooth, uniform matte surface. This finish hides visible machining marks, prepares surfaces for anodizing or powder coating, and gives aluminum or stainless steel custom parts a clean, elegant, refined appearance.

Anodizing

Anodizing

Anodizing creates a protective oxide layer on aluminum, improving corrosion resistance, surface hardness, and long-term wear performance while delivering a clean, uniform appearance. It supports a range of color options with consistent finish quality. Our in-house anodizing ensures controlled coating thickness, stable color matching, and reliable results for custom CNC-machined aluminum parts.

Electroplating

Electroplating

Electroplating applies a bonded metal layer, such as nickel or chrome, onto steel or brass components to increase durability and surface protection. This added coating improves corrosion resistance, surface hardness, and wear life while delivering a bright, uniform finish. It is widely used for automotive, electrical, and decorative CNC-machined parts that require both strength and refined appearance.

Electrochemical Polishing

Electrochemical Polishing

Electrochemical polishing precisely removes a thin surface layer, producing a bright, mirror-like finish. By dissolving microscopic peaks and surface irregularities, it significantly reduces roughness and creates a smooth, reflective surface. The process improves cleanliness and corrosion resistance, making it ideal for stainless steel components in medical and industrial applications.

Brushed Finish

Brushed Finish​

Bead blasting propels fine glass beads at high pressure to create a smooth, uniform matte surface. The process removes minor surface imperfections, hides machining marks, and forms a consistent texture that improves coating adhesion. It gives aluminum and stainless steel parts a clean, refined appearance suited for functional and decorative applications.

Powder Coating

Powder Coating

Powder coating applies electrostatically charged powder to metal surfaces and cures it under heat to form a thick, durable protective layer. The cured coating delivers strong impact, abrasion, and chemical resistance while offering a wide range of color and texture options. It suits machinery housings, brackets, and outdoor metal components that require long-term protection and a consistent visual finish.

Custom Logo Snus Cans

Custom Laser Engraving

Laser engraving uses a focused beam to create deep, permanent markings such as logos, serial numbers, and traceability codes. The process produces high-contrast, wear-resistant identification that will not fade or peel, making it ideal for long-term branding and part tracking. As a non-contact process, it preserves surface integrity and dimensional accuracy of custom CNC-machined components.

Our CNC Machining Capabilities & Equipment

At HRCCNC, we combine advanced machinery with expert engineering to deliver high-precision CNC machining services for a wide range of industries. Our in-house capabilities ensure accuracy, repeatability, and cost-efficiency for both prototype and production orders.

CNC Machines (3-Axis, 5-Axis)

We operate state-of-the-art CNC machines, including 3-axis and 5-axis machining centers, to handle complex geometries and tight tolerances.

Ideal for standard milling and turning operations, offering excellent precision for flat surfaces and simple contours.

Capable of machining multiple surfaces in a single setup, reducing cycle time and increasing accuracy for intricate components. Perfect for aerospace, automotive, and medical device parts where precision is critical.

Our advanced equipment allows us to machine parts with ±0.005mm tolerance, ensuring consistent quality across all projects.

Maximum Part Size Capacity

Our machining centers accommodate a wide range of part sizes:

This flexibility allows us to produce both small, intricate components and large, complex assemblies with ease.

Applications Across Industries

Our CNC machining services support automotive, consumer electronics, aerospace, and medical industries that require precision parts and tight tolerances. From prototype to high-volume production, HRCCNC manufactures application-specific components that meet regulatory standards, material requirements, and complex design specifications.

Automotive Parts Manufacturing

Automotive Parts Manufacturing

Compliant with IATF 16949, our CNC machining services supply precision custom parts for both traditional vehicles and EV platforms. We manufacture engine components such as pistons and camshafts, transmission gears in 4140 steel, EV battery housings in 6061-T6 aluminum, and custom chassis brackets. Our precision CNC machining services range from prototypes to high-volume production, with consistent dimensional control.

Consumer Electronics Products

Consumer Electronics Products

HRCCNC produces small, precise custom parts with fast turnaround for consumer electronics applications. Typical components include smartphone frames in aluminum, laptop hinges and heat sinks in copper or aluminum, smartwatch cases in titanium or ABS, and audio components in brass or plastic. Our CNC machining service supports rapid prototyping in 3–5 days and high-volume production with branding finishes such as anodizing and laser engraving.

Aerospace Components

Aerospace Components

We manufacture ultra-precise aerospace components under AS9100 quality systems and in accordance with FAA and EASA standards. Key products include turbine blades in titanium or Inconel, airframe brackets in 7075 aluminum, fuel system components in 316 stainless steel, and EMI-shielded avionics enclosures. Our precision CNC machining services ensure tight tolerances and high-performance material control for critical flight applications.

Medical Device Production

Medical Device Production

Operating in Class 10,000 cleanrooms under FDA 21 CFR Part 820 and ISO 13485, we produce biocompatible medical components with full traceability. HRCCNC machines surgical instruments in 440C steel, hip and knee implants in titanium or PEEK, diagnostic sensor housings, and dental crowns or abutments. Our CNC machining services support sterile packaging and documented manufacturing process validation for regulated medical devices.

Benefits of CNC Machining

Our CNC machining services deliver high precision and accuracy, efficiency with 24/7 production capability, consistency and repeatability, cost-effectiveness, material versatility, increased safety, and reduced waste for both prototype and high-volume CNC machining. These benefits result from computer numerical control (CNC) machining, automated toolpath execution, and a controlled manufacturing process that produces reliable, custom CNC-machined parts across industries.

What CNC Challenges Do We Solve?

Our CNC machining services address tool wear, thermal distortion, vibration, programming errors, setup costs, labor gaps, and material compatibility issues. Through optimized toolpaths, calibrated equipment, and engineering oversight, HRCCNC reduces production risk and maintains stable precision in the machining of complex custom parts.

How Much Does CNC Turning Cost?

Machining Solution

CNC machining costs range from $50–$150 per hour, but the total cost depends on multiple factors rather than a fixed price. Key cost drivers include material type (e.g., stainless steel or titanium alloy), part complexity, required tight tolerances, surface finish, setup time, quantity, and overall lead time for prototype CNC machining services versus high-volume CNC machining services. Prototype custom parts may cost a few hundred dollars per part, while scaled production reduces the per-unit price through setup, distribution, and process efficiency.

At HRCCNC, we provide transparent pricing based on your CAD design, material selection, and production volume to ensure competitive and predictable manufacturing costs. Upload your CAD file today to receive an accurate online CNC machining service quote tailored to your custom CNC-machined parts.

Why Choose HRCCNC for Custom Online CNC Machining Services?

Choose HRCCNC for custom online CNC machining services to gain ISO 9001:2015 certified quality, high precision tolerances up to ±0.005 mm, one-stop integrated manufacturing, fast quotes within 2 hours, strict QC with FAI, and 100% final inspection, and export-focused reliability. Founded in 2008, we hold certifications such as ISO 9001:2015, Patent Certificates, and SGS company certification, while offering free DFM support, in-house anodizing with no MOQ and consistent color matching, and competitive pricing for complex, high-precision custom CNC-machined parts.

How Does the CNC Machining Process Work at HRCCNC?

CAD Design Icon

Step 1: CAD Design Preparation

Customers upload CAD files through our online CNC machining service platform for immediate engineering review. Our experienced engineers provide free Design for Manufacturability DFM feedback, evaluating tolerances, material selection, wall thickness, and feature feasibility to prevent production risks. This early-stage review improves cost efficiency, reduces lead time, and ensures precision CNC machining services deliver accurate custom CNC-machined parts.

CNC Program Icon

Step 2: Converting CAD to CNC Program (G-code)

After design approval, CAM software generates optimized toolpaths and converts the CAD model into G-code instructions. The program defines tool type, spindle speed RPM, feed rate, coolant flow, and coordinate movements required for the manufacturing process. Simulation verifies collision avoidance, dimensional accuracy, and cycle time before machining begins, ensuring stable precision CNC machining services.

Tool Selection Icon

Step 3: Machine Setup & Tool Selection

Our team at HRCCNC selects cutting tools based on material and feature requirements, such as carbide end mills for aluminum alloy and steel alloy, indexable inserts for CNC turning, and high-precision drills or reamers for holes. Fixtures, soft jaws, and calibrated setups ensure rigidity and repeatability during machining. Proper setup control supports tight tolerances and consistent output across both prototype and high-volume CNC machining services.

Precision Cutting Icon

Step 4: Precision Cutting & Finishing

The machining process starts with roughing to remove bulk material, followed by finishing passes to achieve final dimensions and surface quality, typically Ra 1.6–3.2 μm or lower, achieved through grinding or polishing. After cutting, post-machining steps such as deburring, anodizing, powder coating, passivation, or plating are applied as required. This workflow ensures high-quality custom CNC parts with controlled surface finish and dimensional stability.

Resource & Guides

Founded in 2008, HRCCNC is a trusted CNC machining and metal manufacturing company with 17 years of experience delivering precision-engineered custom parts to global customers. Our team of skilled engineers and technicians provides one-stop integrated services, including CNC machining, die casting, and sheet metal fabrication, supporting projects from product design to finished product delivery across North America, Europe, and Asia.

From a small CNC workshop to a global manufacturing partner, HRCCNC has expanded through continuous capability upgrades and international quality certification, including ISO 9001:2015. Our factory is certified to ISO 9001:2015 and has been audited by SGS, ensuring strict quality control, traceability, and compliance with international manufacturing standards. 

Company Introduction Video

FAQs

What Does a CNC Machine Operator Do?

A CNC machine operator sets up machines, loads materials, monitors cutting operations, and verifies finished machining parts against specified tolerances. The operator follows programmed G-code instructions, inspects dimensions using calibrated tools, and ensures precision CNC machining services produce consistent custom CNC-machined parts according to quality standards.

G-code is a fundamental programming language used in CNC machining services to control machine movements and operations. It defines tool paths, spindle speed (RPM), feed rate, coolant flow, and coordinate positioning, enabling precision CNC machining services to produce accurate, repeatable custom CNC-machined parts.

Programming a CNC machine involves creating a CAD design, generating toolpaths using CAM software, and converting them into G-code instructions for machining. The program defines tool selection, spindle speed, feed rate, and coordinate movements to guide the manufacturing process. Simulation and verification ensure precision CNC machining services produce accurate custom CNC-machined parts before actual cutting begins.

CNC machining began developing in the late 1940s and early 1950s as numerical control systems were introduced for aerospace manufacturing. In 1952, the Massachusetts Institute of Technology (MIT) unveiled the first CNC milling machine, which used punch cards for programming. The integration of computers into machine tools during the 1960s transformed numerical control into modern CNC machining, enabling automated precision CNC machining services for complex, custom parts across industries.

CNC machines commonly operate in 3-axis, 4-axis, or 5-axis configurations, depending on the complexity of the custom part. A 3-axis CNC machining service moves along X, Y, and Z directions, while a 4-axis adds rotational movement, and a 5-axis enables simultaneous multi-directional machining for complex geometries. Advanced 5-axis CNC machining services reduce setup time, improve precision, and support the production of intricate aerospace, medical, and industrial components.

No, our custom CNC machining services do not require a strict minimum order quantity. We offer prototype CNC machining for single-part orders and high-volume CNC machining for scaled production. This flexibility allows engineers to validate designs before committing to larger manufacturing runs.

Yes, you can request design changes after receiving a quote, and our engineering team will review the updated CAD file and provide revised pricing and lead time. If production has already started, we assess the machining stage and material status before confirming feasibility and cost impact. Early communication ensures precision CNC machining services remain efficient and avoid unnecessary delays or material waste.

We accept secure international payment methods, including bank transfer (T/T), major credit cards, and other agreed commercial payment terms for qualified customers. Payment terms are confirmed during the quotation to align with the order size and production stage. This transparent payment structure supports both prototype and high-volume CNC machining services for global customers.

If your design has potential manufacturability issues, our engineering team provides free Design for Manufacturability DFM feedback before production begins. We identify tolerance conflicts, thin walls, sharp internal corners, or material compatibility issues that may affect the precision of CNC machining services. This early review helps optimize the manufacturing process, reduce cost, and ensure your custom CNC-machined parts meet performance and quality requirements.

Ready to Get a CNC Machining Online Quote?

Upload your CAD file to HRCCNC for a fast, transparent quote on custom CNC machining tailored to your material, tolerance, and lead time needs. Our engineers review your design, provide free DFM feedback, and deliver precision parts for both prototyping and high-volume production.

Start your online CNC machining service quote now and move your custom parts into production with confidence.

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