Engineered for tight tolerances and complex geometries Prototype, bridge production, and low-volume delivery support CNC Machining Services for metal and engineering plastic parts 
All file uploads are fully secured and kept strictly confidential. 
Zigitech CNC milling workflows fabricate brackets, housings, molds, and custom functional parts with high-precision toolpaths, stable dimensional control, and competitive value across prototypes and production lots.
Our turning centers and live-tool workflows engineer shafts, bushings, gears, and cylindrical housings with strong concentricity control, efficient cycle times, and dependable repeatability.
Our EDM and wire-cut capability fabricates sharp corners, narrow slots, and hardened material profiles for tooling, inserts, and premium-grade Precision Machining projects where contact-free cutting matters.
Swiss machining is ideal for slender, detail-rich parts that demand stable support during cutting. Zigitech uses it to craft pins, shafts, and miniature components for medical, electronics, and automation programs.
Zigitech coordinates advanced in-house machining and inspection resources so your custom CNC parts move through a controlled workflow with stable dimensional verification. This approach helps us keep prototypes, bridge builds, and repeat orders aligned with drawing intent.
Talk With Our TeamUpload your CAD data and our engineers will review challenging features, tolerance risks, and machining strategy before production begins. The goal is to improve manufacturability, reduce unnecessary cost, and keep your CNC Machining Services program moving faster.
Our process planning includes in-process verification, final inspection discipline, and documentation support for projects that require traceability. From first samples to finished shipments, we focus on repeatable accuracy and dependable quality control.
Zigitech supports expedited schedules with coordinated production planning and reliable global shipping. We keep communication practical and delivery-focused so your machined parts arrive on schedule for assembly, validation, or launch milestones.
Initiate your project with instant analysis.
Secure real-time pricing and expert design-for-manufacturing feedback.
Verify specifications to authorize manufacturing.
Precision-crafted parts cleared for delivery.
We craft quick-turn prototype parts starting from a single piece so engineering teams can validate geometry, fit, and function with confidence. This path is ideal when you need Precision Machining support and actionable DFM feedback before larger commitments.
Our low-volume workflow efficiently supports bridge production and market-entry batches while maintaining stable quality and practical lead times. It is a cost-effective way to move beyond prototypes without jumping straight into full-scale production.
For long-run programs, Zigitech coordinates CNC cells, process discipline, and repeatable inspection to support 10,000+ unit demand with dependable output. This gives buyers a strong manufacturing path for critical parts that must scale without sacrificing consistency.
| Process | Standard Tolerance (Inches) | Standard Tolerance (Millimeters) |
|---|---|---|
| 3-axis / 5-axis CNC Milling | ±0.005" | ±0.13 mm |
| Screw Machining | ±0.005" | ±0.13 mm |
| Engraving | ±0.005" | ±0.13 mm |
| Router (Standard) | ±0.005" | ±0.13 mm |
| Router (Gasket Tools) | ±0.030" | ±0.762 mm |
| Rail Cutting | ±0.030" | ±0.762 mm |
| Steel Rule Die Cutting | ±0.015" | ±0.381 mm |
| Surface Finish | Our typical surface finish for CNC parts is 125 RA (3.2 um), adjustable by material, feature geometry, and downstream processing requirements. | |
| Variable Factors | Actual achievable tolerances depend on part size, geometry, material type, and machining complexity. | |
Note: tighter tolerances are available upon request when technical drawings and feature requirements are fully defined.
Keep overall size within a realistic machine envelope and material stock range. Oversized parts often require larger equipment, segmented setups, or custom fixturing, which can quickly increase both quote and lead time.
When holes, pockets, and key mounting features can be reached from one setup, the part is faster to machine and easier to hold accurately. Spreading features across multiple faces usually means more setups, more datum transfers, and more accumulated error.
Avoid sharp internal corners unless function truly demands them. Larger internal radii allow stronger cutters, more stable toolpaths, and lower risk of tool breakage, chatter, and unnecessarily slow cycle times.
Thin walls may look simple on CAD, but they move under cutting force, especially in aluminum and engineering plastic prototypes. Keeping metal walls above 0.8 mm and plastic walls above 1.5 mm is usually a safer starting point for dimensional stability.
Deep narrow pockets are a classic CNC cost driver because long tools deflect and lose accuracy. As a practical rule, keep cavity depth within about four times the pocket width unless there is a clear functional reason to go deeper.
Use standard drill sizes and thread specifications wherever possible, and avoid unnecessary thread depth. In many prototype, fixture, and equipment parts, threaded depth beyond about 1.5 to 3 times diameter adds time without adding meaningful holding strength.
Apply tight tolerances only to assembly-critical, sealing, sliding, or bearing features. Holding the entire part to near-precision limits adds machining time, inspection cost, and scrap risk without improving real product performance.
Good parts are designed not only to be cut, but also to be clamped and inspected. Clear datum surfaces, repeatable locating features, and enough gripping area make multi-operation machining far more stable, especially for prototype batches and repeat orders.
Use undercuts only when they solve a real assembly or clearance problem. Standard T-slot widths and 45 degree or 60 degree dovetail forms are much easier to machine with common tooling than custom profiles.
We moved a housing project over after another supplier missed two dates in a row. Zigitech's team gave us a realistic schedule instead of an optimistic one, and that made planning easier.
Our sourcing lead and engineer joined the same review call, and the discussion stayed practical the whole time. We covered finish, deburring, and packing without having to translate between departments later.
We used them during a valve enclosure revision when time was tight. The quote came back fast, but more importantly the comments on corners and access made the next revision easier to release.
A fixture order landed at our plant on a Friday morning and was in use that afternoon. That kind of straightforward execution is what operations teams remember.
Before we committed to tooling, their engineer flagged draft and an undercut we had underestimated. It was useful feedback and did not feel like generic template advice.
The bent sheet metal parts arrived with hardware installed correctly and no confusion against the drawing set. Receiving and inspection both went smoothly.
We needed stainless parts for a lab instrument where cosmetic defects would have caused trouble during final assembly. The batch looked clean and consistent.
We appreciated the order discipline as much as the parts themselves. Material confirmation, shipment notice, and invoice timing were all aligned, which is not always the case.
All information and uploads are secure and confidential.
Upload
Quote
Confirm
Ship
Supports:
