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Precision Machining Service
On-demand Custom Precision Machining Service
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Our on-demand precision machining service delivers highly accurate, tight-tolerance parts tailored to your exact specifications — from prototype to full production.
Ultra-Tight Tolerance Capabilities
Micron-Level Detail for Critical Components
Custom Tooling for Complex Specs
Consistent Repeatability Across Batches
Material Expertise Across Metals and Plastics
Supported Materials For Our Precision Machining Services
Stainless Steel

Stainless steel is well-suited for a wide array of CNC machining projects, due to its excellent machinability and outstanding uniformity. It also has good workability and weldability to match your machining needs.

Stainless Steel Grades For CNC Machining:

Stainless Steel 15-5

Stainless Steel 303

Stainless Steel 304

Aluminum 2024-T351


Aluminum 7075-T651

Aluminum

Aluminum is a popular choice for machining due to its low density, good mechanical properties, high thermal and electrical conductivity, and resistance to corrosion. 


Aluminum Grades For CNC Machining:

Aluminum 6061-T651

Brass C360

Brass

Brass is an alloying consisting of both copper and zinc. The gold materials is a weather- and corrosion- resistant metal, it's also an easy to machine material, so feedrates can remain high and coolant need is minimal.

Brass C272

Brass Grades For CNC Machining:

Brass C260

Titanium

Titanium is an amazing material. It has high strength, is lightweight, is resistant to corrosion and chemicals, and can even maintain its strength when exposed to incredibly high temperatures.

Titanium Grades For CNC Machining:

Titanium Grade 1

Titanium Grade 2

Titanium alloy – Ti6Al4V

Why Choose BERGEK For Custom Precision Machining?
Fast and Reliable Delivery
Iterate part designs quickly and accelerate product development with quick-turn parts. Our automated design analysis will help spot any difficult to machine features before your design is sent to the manufacturing floor and save you from costly reworks further down the product development cycle.
Domestic Production and Support
Work with a trusted manufacturer and eliminate the risk of sending parts overseas. You can also call or email us at any time and we'll help with ordering parts, design feedback, material recommendations, and answer any questions.
Advanced Capabilities
We are optimized for speed, flexibility, and superior quality no matter the volume of parts. Here's what sets us apart.  tolerances down to ±0.001 in. (0.020mm); and cost-efficient machined parts at higher volumes to lower piece-part price.
Manufacturing Analysis and Fast Quotes
When you upload your 3D CAD file to request a quote, we'll analyze your part geometry to identify any features that may be difficult to machine such as tall, thin walls or holes that cannot be threaded.
liminate downtime spent waiting for parts and safeguard in-house machining with on-demand relief and infinite manufacturing capacity.
Infinite Capacity
We stock more than 30 engineering-grade plastic and metal materials that are suitable for various part applications and industries. Materials range from plastics like ABS, polycarbonate, nylon, and PEEK to aluminum, stainless steel, platinum, and copper.
Material Selection
Precision Machining Processes For Custom Parts
Design & File Preparation
We begin by reviewing your 2D/3D CAD files and technical drawings. Our engineers evaluate feasibility, optimize for machining, and prepare precise toolpaths for production.
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Inspection & Finishing
After machining, all parts undergo dimensional inspection and optional surface finishing. Quality reports, certificates, and polishing or coating services are available as needed.
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Material Selection
Based on your design and application, we help choose the best-suited metal or plastic. Our inventory includes aluminum, stainless steel, brass, POM, and more.
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CNC Milling & Machining
Using multi-axis CNC milling centers, we cut and shape your parts with high precision. Tolerances are tightly controlled and adjusted in real-time to ensure accuracy.
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Precision Machining Parts Surface Finishes
Anodized
Anodizing helps to resist corrosion, increase surface hardness, improve resistance to wear and dissipate heat. It’s also an ideal surface treatment for painting and priming, and it looks great too.
Polishing
Achieves a reflective, mirror-like finish that improves part aesthetics and cleanliness. Common in medical, optical, and consumer-facing products.
Hot-Dip Galvanizing
Applies a thick zinc layer through immersion, ideal for parts exposed to harsh outdoor or industrial environments.
Bead Blasting
Provides a smooth, uniform matte surface by bombarding the part with fine glass beads — ideal for reducing glare and preparing for painting or coating.
Gradient Color & Powder Coating
Combines visual impact and protection. Gradient colors enhance aesthetics, while powder coating adds a durable, wear- and UV-resistant finish.
Brushing
Applies a linear, satin texture that improves appearance and masks minor surface defects. Commonly used for visible metal parts in electronics and enclosures.
Color Zinc Plating
Offers excellent conductivity and corrosion resistance. Often used in precision connectors, electronics, and high-end appearance components.
Gold Plating
Offers excellent conductivity and corrosion resistance. Often used in precision connectors, electronics, and high-end appearance components.
Bergek Precision Machining Services:Customer Reviews
Matt N
Outsourcing Manager
Our company has been relying on BERGEK for CNC parts for more than five years now, and we can confidently say that their quality and service are unparalleled compared to other Chinese CNC machine shops we have worked with. 
Pete S
Project Manager
When we decided to outsource our CNC machining parts, we stumbled upon BERGEK, and we were immediately impressed with their fast response and professional approach. 
Ronnie S
Vice President
I was a bit hesitant to use BERGEK as I had never worked with them before. However, I decided to take a chance and sent them some extremely challenging CNC machined parts with tight tolerances, intricate details, and machining from multiple angles. 
Victor Babenkov
CEO
I had been working with another china supplier for five years, at first seemed great , But gradually l was constantly struggling with issues of poor quality, delayed shipments, and lack of communication. 
James K
Director of Product Development
The video makes u seem like a good professional "Alibaba" level chinese company...l know u guys are much more professional and capable than that!
Put your parts into production today 
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