Struggling to find a reliable machining parts supplier you can trust? You’re not alone—choosing the right manufacturer often feels overwhelming, given the sea of factories promising “top quality” and “on-time delivery.”

But picking the best partner can make all the difference. From flawless components to smooth communication, top suppliers can elevate your entire business. Curious how to spot the winners? Dive in as we compare the leading machining parts factories—your perfect match might be just a scroll away!

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Online CNC Machining Service | Get a Quote – Protolabs

Product Details:
Protolabs offers CNC machining services with a wide selection of metallic and plastic materials, including Aluminum, Brass, Copper, Stainless Steel, Steel Alloy, Mild Low Carbon Steel, Titanium, ABS, Acetal, CPVC, Delrin, and other engineering polymers. Both prototyping and production quantities are supported.

Technical Parameters:
– Metals: Common alloys include Aluminum 6061-T651, 7075-T651, 2024-T351; Steel
– Metals feature properties like high strength-to-weight ratio, corrosion
– Plastics: ABS (high impact resistance, dimensional stability), Acetal
– Machinability, ductility, fatigue strength, and weldability vary by material

Application Scenarios:
– Rapid prototyping and pre-production prototypes
– Structural components requiring high strength and/or impact resistance
– Industrial parts for equipment, automotive, aerospace, and medical uses
– Custom components where corrosion resistance, conductivity, or heat resistance

Pros:
– Extensive material portfolio for diverse engineering requirements
– Materials with high machinability enable faster production and prototyping
– Many materials (e.g., aluminum, stainless steel, titanium, engineering
– Plastic materials are easy to paint, glue, and assemble, supporting complex

Cons:
– Some metals (e.g., copper) have moderate to poor weldability
– Titanium can be challenging to machine due to work hardening, low conductivity,
– Mild/low carbon steel has reduced strength compared to higher-carbon steels
– Information on some plastics is limited or missing detailed technical data

Machinix | Precision CNC Machining Parts | Order Online

Product Details:
Machinix offers a digital platform for on-demand precision machining services, leveraging a global network of manufacturing partners. The platform supports CNC milling (3, 4, 5 axis), CNC turning (standard, Swiss type, multitasking turn-mills), and supplementary processes such as EDM, wire-cutting, grinding, lapping, and laser marking. Customers can configure orders based on speed, location, quality control, quantity, and shipping method, receiving technical feedback and QC reports throughout the process.

Technical Parameters:
– CNC Milling: 3, 4, and 5 axis machining for both low and high complexity parts
– CNC Turning: Standard, Swiss-type, and multitasking turn-mills
– Supports materials such as aluminum, stainless steel, steel, brass, polymers,
– Surface treatments offered include anodizing, passivation, zinc/nickel plating,

Application Scenarios:
– Semiconductors manufacturing
– Robotics component production
– Medical device prototyping and manufacturing
– Digital printing equipment parts fabrication

Pros:
– Wide range of machining capabilities and materials available
– Customizable orders with flexible production locations, speeds, and quantities
– Valuable technical feedback improves manufacturability, reduces cost, and
– Fast quoting process (within 48 hours) and real-time order tracking with

Cons:
– Dependent on external manufacturing partners which may affect direct oversight
– No specific mention of support for extremely specialized materials or

Online CNC Machining Services for Custom Parts – RapidDirect

Product Details:
RapidDirect offers online CNC machining services and a range of manufacturing solutions including CNC milling, CNC turning, 5-axis CNC machining, precision machining, injection molding, sheet metal fabrication, 3D printing, die casting, vacuum casting, and surface finishing. Users can get instant online quotes and manage projects via their online platform.

Technical Parameters:
– Supports CNC milling, CNC turning, 5-axis CNC machining, and precision machining
– Injection molding includes overmolding and insert molding options
– Sheet metal fabrication services: laser cutting, metal bending
– Additional services: 3D printing, die casting, wire EDM, aluminum extrusion,

Application Scenarios:
– Rapid prototyping of custom parts
– Low-volume and on-demand manufacturing
– Industrial automation and NPI (New Product Introduction) solutions
– Production needs in industries such as aerospace, automotive, electronics,

Pros:
– Instant online CNC quotes and streamlined order management
– Wide variety of manufacturing processes and post-processing services
– Catering to multiple industries with both prototyping and production solutions
– Fast turnaround and flexibility in production volumes

Cons:
– Limited technical specifications or tolerances detailed on public-facing pages
– May require further consultation for complex or highly specialized projects

The World’s Largest Custom Manufacturing Marketplace – MFG

Product Details:
MFG is an online platform that connects buyers with a global network of manufacturers for sourcing custom parts and manufacturing services. The platform supports services like CNC machining, 3D printing, injection molding, sheet metal fabrication, stamping, and engineering/design solutions. Buyers can submit a single RFQ (Request for Quote), receive multiple quotes, compare manufacturers, communicate, track orders, and handle payments all within the platform.

Technical Parameters:
– Supports manufacturing processes including CNC machining, 3D printing (SLA, SLS
– Allows upload of design files (for RFQs) and manages communication, order
– NDAs are available or can be supplied by the user for quote protection.
– Accessible to buyers and manufacturers globally.

Application Scenarios:
– Prototyping or producing custom mechanical parts using CNC machining or 3D
– Manufacturing components and assemblies for industries like automotive, defense
– Sourcing manufacturing partners for small runs, large-scale production, or
– Collaborating with engineering and design experts for custom project

Pros:
– Enables fast comparison and sourcing from a global network of manufacturers
– Centralized order management, communication, and secure payment all on one
– Free to use for buyers, potentially lowers sourcing costs by competitive
– Trusted by major organizations such as the U.S. Department of Defense, Nissan,

Cons:
– No specific mention of handling highly specialized or regulated manufacturing
– May not be ideal for buyers preferring direct, long-term relationships with a

Online CNC Machining Service: Instant quotes and ordering

Product Details:
On-demand CNC machining service providing rapid prototyping and production parts via a vetted global network, capable of handling various part complexities and offering multiple finishing and material options.

Technical Parameters:
– Supports 3-axis, 3+2-axis, and fully-continuous 5-axis CNC milling; over 1,000
– Over 300 CNC turning centers, including Swiss lathes and multi-axis mill-turns.
– Tolerances down to ±0.020 mm (±0.001 in).
– Lead times starting from 5 business days.

Application Scenarios:
– Aerospace electronics enclosures
– Industrial automation mechanical adapters
– Academic and research equipment components
– Electronics enclosures and plate fixtures

Pros:
– Wide range of materials and finishes including aluminum, mild steel, stainless
– Rapid turnaround with lead times as fast as 5 business days.
– Supports both simple and highly complex geometries.
– Secure and confidential design file uploads; vetted global manufacturing

Cons:
– Pricing can be high for complex or specialized components (e.g., certain parts
– Certain advanced processes (e.g., EDM, grinders) require special request and

Precision CNC Machining Parts Supplier | AS Precision

Product Details:
CNC precision parts machining services including CNC turning, CNC milling, rapid prototyping, and a wide range of custom metal fabrication processes, serving global clients with ISO-certified quality and high accuracy.

Technical Parameters:
– Maximum machining precision up to 0.001mm
– ISO certified quality and processes
– 50+ professional CNC engineers on staff
– Factories in both China and Vietnam for batch production

Application Scenarios:
– Custom parts manufacturing for American and Japanese companies
– Rapid prototyping for product development
– Batch production of precision metal components
– Support for industries requiring high-precision, custom-machined metal parts

Pros:
– Very high machining precision (up to 0.001mm tolerance)
– Fast quotation turnaround (within 24 hours)
– Tariff advantages with manufacturing options in Vietnam
– Flexible customization and collaborative engineering support

Cons:
– No pricing or cost transparency mentioned
– Requires provision of 3D drawings or PDF files for quotation
– Production and delivery may be affected by sample confirmation and approval

Custom Precision Machined Parts Manufacturer | TFG USA

Product Details:
Custom precision machined metal parts manufactured to exact specifications, including features such as threads, holes, grooves, or tapers. TFG USA specializes in contract manufacturing of both simple and complex machined parts to customer requirements, serving as a metal fabricator with over four decades of experience.

Technical Parameters:
– Tolerance capability down to 0.01-0.05mm
– Production using CNC machines, lathes, and presses
– Design process involving CAD (e.g., AutoCAD) and CAM software
– Capability for high repeatability in mass production

Application Scenarios:
– Automotive components such as engine parts
– Electrical and electronics industry components
– Medical sector for precision hardware
– Aerospace components requiring precise tolerances

Pros:
– Very high accuracy and tight tolerances ensuring precise fit
– Consistent, repeatable production with identical part specifications
– Capability to manufacture both simple and complex geometries
– Automation improves efficiency and reduces human error

Cons:
– Requires specialized equipment and skilled operation
– Limited margin for error increases setup and programming complexity

The One-Stop Shop for All CNC Parts | CNC Machines

Product Details:
THECNCSOURCE.COM offers a wide range of CNC machine parts and accessories, including machine replacement parts, digital readouts systems, electrical components, Fadal-specific products, hydraulics, and various machining accessories like chip management systems, collets, coolant management systems, live centers, lubrication, and power feeds.

Technical Parameters:
– Digital Readouts and accessories (potentially DROs, encoders, kits, and scales
– Electrical components such as circuit boards, sensors, fans, batteries, fuses,
– Hydraulic and lubrication systems for CNC machines
– Specific parts for Fadal machine models (e.g., AMP, ATC, BRG, ELE, ENC)

Application Scenarios:
– Maintenance and repair of CNC machines in manufacturing environments
– Upgrading or replacing digital readout systems for enhanced accuracy
– Restoring or improving Fadal brand CNC machines
– Integrating chip/coolant management and lubrication systems in machining

Pros:
– Extensive selection of CNC machine parts covering electronics, hydraulics, and
– Specialized offerings for Fadal machines and other OEM replacement parts
– One-stop shop model simplifies procurement for CNC maintenance and upgrades

Cons:
– No detailed product specifications or technical data available directly from
– Application details and compatibility per part category are not fully described

CNC Manufacturing, Fast Quotes & Free CAD | eMachineShop

Product Details:
Custom manufacturing services including CNC machining, sheet metal fabrication, injection molding, 3D printing, surface finishing, secondary machining processes, and free CAD software for designing custom parts.

Technical Parameters:
– Precision milling and turning for metal and plastic parts (CNC machining);
– Sheet metal: waterjet cutting, laser cutting, tapping, bending, various
– Over 50 metals and plastics available; selection of quantity (no minimum or
– Injection molding for moderate to large quantities; 3D printing of

Application Scenarios:
– Rapid prototyping and production of custom mechanical parts.
– Manufacturing components for businesses, engineers, or hobbyists requiring
– Jobs requiring precise tolerances or surface finishing (e.g., anodizing, powder

Pros:
– No minimum or maximum order quantity; suitable for prototype to production
– Free, easy-to-use CAD software provided for design creation.
– Wide material selection and finishing options.
– Free ground shipping in the continental USA and strong technical/customer

Cons:
– Certain processes (e.g., injection molding) may be best suited for moderate to
– Surface finishing and secondary processes may add additional lead time or
– Limited information on international shipping and support outside the

China CNC Machining Parts, Titanium Machining Parts, Precision Grinding …

Product Details:
Lionse (Qingdao Lionse Mechanical Engineering Co., Ltd.) is a China-based manufacturer and supplier specializing in CNC machining parts, titanium machining parts, titanium casting parts, precision grinding parts, exhaust system products, and CNC turning milling compound processing components.

Application Scenarios:
– Industrial machinery requiring precise metal parts
– Automotive or aerospace components where titanium or precision grinding is
– Applications needing custom CNC machining solutions
– Systems incorporating exhaust or specialty metal components

Pros:
– Specialization in titanium and precision grinding parts
– Ability to supply a range of CNC machining solutions
– Global multilingual support indicating international service capability

Cons:
– Technical specifications and detailed capabilities are not specified on the
– No explicit certifications or quality standards mentioned in the provided

Comparison Table

Company	Product Details	Pros	Cons	Website
Online CNC Machining Service	Get a Quote – Protolabs	Protolabs offers CNC machining services with a wide selection of metallic and	Extensive material portfolio for diverse engineering requirements Materials	Some metals (e.g., copper) have moderate to poor weldability Titanium can be
Machinix	Precision CNC Machining Parts	Order Online	Machinix offers a digital platform for on-demand precision machining services,	Wide range of machining capabilities and materials available Customizable
Online CNC Machining Services for Custom Parts – RapidDirect	RapidDirect offers online CNC machining services and a range of manufacturing	Instant online CNC quotes and streamlined order management Wide variety of	Limited technical specifications or tolerances detailed on public-facing	www.rapiddirect.com
The World’s Largest Custom Manufacturing Marketplace – MFG	MFG is an online platform that connects buyers with a global network of	Enables fast comparison and sourcing from a global network of manufacturers	No specific mention of handling highly specialized or regulated manufacturing	www.mfg.com
Online CNC Machining Service: Instant quotes and ordering	On-demand CNC machining service providing rapid prototyping and production	Wide range of materials and finishes including aluminum, mild steel, stainless	Pricing can be high for complex or specialized components (e.g., certain parts	www.hubs.com
Precision CNC Machining Parts Supplier	AS Precision	CNC precision parts machining services including CNC turning, CNC milling,	Very high machining precision (up to 0.001mm tolerance) Fast quotation	No pricing or cost transparency mentioned Requires provision of 3D drawings or
Custom Precision Machined Parts Manufacturer	TFG USA	Custom precision machined metal parts manufactured to exact specifications,	Very high accuracy and tight tolerances ensuring precise fit Consistent,	Requires specialized equipment and skilled operation Limited margin for error
The One-Stop Shop for All CNC Parts	CNC Machines	THECNCSOURCE.COM offers a wide range of CNC machine parts and accessories,	Extensive selection of CNC machine parts covering electronics, hydraulics, and	No detailed product specifications or technical data available directly from
CNC Manufacturing, Fast Quotes & Free CAD	eMachineShop	Custom manufacturing services including CNC machining, sheet metal fabrication,	No minimum or maximum order quantity; suitable for prototype to production	Certain processes (e.g., injection molding) may be best suited for moderate to
China CNC Machining Parts, Titanium Machining Parts, Precision Grinding …	Lionse (Qingdao Lionse Mechanical Engineering Co., Ltd.) is a China-based	Specialization in titanium and precision grinding parts Ability to supply a	Technical specifications and detailed capabilities are not specified on the	www.lionsemachining.com

Frequently Asked Questions (FAQs)

How do I find reliable machining parts suppliers or manufacturers?
Start by searching online directories, trade platforms, and industry events. Ask for recommendations from industry peers. Look for suppliers with verified certifications, positive reviews, and a transparent communication process.

What factors should I consider when choosing a machining parts supplier?
Focus on quality standards, production capabilities, lead times, pricing, and customer service. Also, consider their experience with your required materials and parts, and check if they offer after-sales support.

How can I verify the quality of a supplier’s machining parts?
Request samples, inspect their certifications (like ISO9001), and ask for references from current clients. You can also arrange a factory visit or hire a third-party inspection service to assess their production process.

What’s the typical lead time for custom machining parts?
Lead times vary depending on part complexity and production volume, but typical orders may take 2-6 weeks. Always confirm timelines with your supplier before placing your order to avoid delays.

Are minimum order quantities (MOQs) common with machining suppliers?
Yes, most manufacturers have MOQs to optimize production runs, but these can vary greatly. Some suppliers are flexible, especially for prototypes or new customers, so be sure to ask about their specific policies.