CNC Machining

Fast, precise, and cost-effective CNC machining for custom metal and plastic parts — from prototype to production.

Topmetry CNC Machining Services

From complex 3D milling to high-precision turning and tight-tolerance wire EDM — we offer the full range of CNC solutions to bring your designs to life.
Custom CNC Milling Services
Achieve high-precision parts with complex geometries using our 3-, 4-, and 5-axis CNC milling centers. From prototyping to mold making, we deliver tight-tolerance components in a wide range of metals and plastics.
Custom CNC Turning Services
Produce round, hexagonal, or custom-shaped parts with speed and accuracy using our CNC lathes and mill-turn machines. Perfect for shafts, bushings, and threaded parts — all delivered in days, not weeks.
Wire EDM Machining Services
Cut ultra-precise shapes in hard metals and conductive materials with our high-accuracy Wire EDM capabilities. Ideal for intricate components, tooling, and tight-tolerance features that conventional methods can’t match.

Topmetry
CNC Machining Capabilities

At Topmetry, we combine advanced machining technologies with strict quality control to deliver reliable, high-precision parts—whether you're making a single prototype or scaling up to full production. From micro-features to large, complex components, we adapt to your exact design specifications.
Capability Details
Part Size Limits

CNC Miling: Max 4000 x 1500 x 600 mm

CNC Turning: Max 200 x 500 mm

Minimum Part Size

Miling: 5 x 5 x 5 mm

Turning: 2 x 2 mm

Minimum Wall Thickness

0.5 mm (material- and geometry-dependent)

Smallest Tooling Sizes

End mil: 0.5 mm

Drill bit: 1.0 mm

Standard Tolerances

Metals: ISO 2768-m

Plastics: ISO 2768-c

Tight Tolerance Capability

Down to +0.001 in

Production Quantities

Miling: 5 x 5 x 5 mm

Turning: 2 x 2 mm

Turning: 2 x 2 mm

Lead Times

Turning: 2 x 2 mm

Turning: 2 x 2 mm

CNC Machining
Materials

Choose from a wide range of metals and plastics — all sourced for quality, machinability, and performance.

At Topmetry, we can machine parts from nearly any commercially available solid material. Whether you’re working with common metals or advanced engineering plastics, our CNC facilities are equipped to handle your custom prototyping or production needs.

We support both customer-supplied materials and special requests. If you require a specific grade or material not stocked in-house, we’re happy to source it or machine from the material you provide.

From aerospace aluminum to medical-grade titanium, and from high-impact plastics to thermally conductive copper, we offer a wide range of options to suit your mechanical, thermal, and cosmetic requirements.

CNC Machining
Surface Finishes

Enhance functionality and appearance with multiple finishing options — from anodizing to polishing, plating, bead blasting, and more.

Surface finish isn’t just about looks—it impacts part performance, wear resistance, corrosion protection, and fit. At Topmetry, we offer a wide range of in-house and partnered finishing services to meet your project’s exact specifications.

Whether you need a clean machined surface for fit testing or a cosmetic finish for customer-facing parts, we help you choose the right finish to match your material, function, and budget.

FAQs

About CNC Machining

Can Topmetry make CNC machined parts for customers outside China?
Absolutely. We regularly produce CNC parts for clients across North America, Europe, Australia, and Asia. We handle international shipping and documentation, so you receive your parts with minimal hassle.
Every order goes through a strict quality control process — from incoming material inspection to in-process checks and final dimensional reports. We can also provide CMM inspection and custom QA documentation on request.
Standard lead times range from 3–7 working days for prototypes and 1–3 weeks for production runs, depending on complexity and quantity. We can accommodate urgent requests through our rapid machining program.
No. We can produce one-off prototypes or large-scale production batches.
Yes, you can provide your own material if it meets our machining and safety requirements.
Yes. We treat all designs as confidential, and we are happy to sign a non-disclosure agreement (NDA) before reviewing your files.
Costs depend on material type, part complexity, tolerance requirements, and quantity. We offer competitive, transparent quotes without hidden fees.

Trusted by Engineers Worldwide

See what our customers say about working with Topmetry — precision parts, fast turnaround, and stress-free service.

Start Your CNC Machining Project Today

Precision parts, tight tolerances, and fast turnaround. Send your CAD files now and get quote for your project within 24 hours.