CNC Machining

Precision CNC Machining

Tolerances to ± 0.05 mm

Small-batch CNC milling for precision metal and plastic components. From single prototype parts to short production runs, we deliver tight tolerances, excellent surface finish, and CAD/CAM programming included in every job.

3-Axis CNC

Axes

± 0.05 mm

Positional Tolerance

0.5 mm

Min Feature Size

500 × 400 × 200 mm

Max Part Size

Ra 0.8 – 3.2 μm

Surface Finish

1 – 500 units

Batch Size

Our Process

1

CAD File Review

We analyse your STEP, IGES or DWG file for machinability, tolerances and material requirements.

2

CAM Programming

Our engineers program toolpaths, fixtures and feeds for optimal surface finish and cycle time.

3

Material Selection

Raw stock is sourced, cut to size and inspected before machining begins.

4

CNC Milling

3-axis milling with continuous coolant and tool monitoring for consistent, tight-tolerance results.

5

Deburring & QC

All edges are deburred. Critical dimensions are checked against your tolerances with calibrated gauges.

6

Delivery

Parts are wrapped and shipped or available for pickup. Full dimensional report on request.

Machinable Materials

MaterialPropertiesTypical Parts
Aluminium 6061Lightweight, machinable, corrosion resistantEnclosures, brackets, aerospace parts
Stainless Steel 304High strength, food & chemical resistantMedical, food, marine components
Mild SteelStrong, weldable, cost-effectiveStructural parts, supports, fixtures
BrassExcellent machinability, conductiveFittings, connectors, decorative
Delrin (POM)Low friction, dimensionally stable, stiffGears, bushings, precision guides
HDPEChemical resistant, food-safe, lightweightTanks, cutting boards, outdoor parts
Acrylic (PMMA)Optically clear, UV stableCovers, displays, lighting diffusers

Post-Processing Options

As-machined (natural finish)
Bead blasting (matte uniform texture)
Anodising — Type II and Type III hard anodise (aluminium only)
Polishing (mirror or brushed)
Powder coating (any RAL colour)
Zinc or nickel plating
Chemical black oxide
Passivation (stainless)

Why CNC for Your Part?

Tight Tolerances

Achieves ± 0.05 mm consistently across a batch — essential for mating parts and press-fit assemblies.

Real Materials

Unlike 3D printing, CNC parts are machined from solid stock — same material as production.

Scalable Volumes

From 1 prototype to 500-piece runs, the same setup delivers identical parts every time.

CAD/CAM Included

Full programming is part of the service — just send your CAD file.

What is CNC Machining

CNC (computer numerical control) machining is a subtractive manufacturing process where computer-guided cutting tools remove material from a solid block of metal or plastic to produce a finished part. Because the part is cut from solid stock rather than built up in layers, it has the full strength and material properties of the raw material, which makes CNC the right choice when accuracy and structural performance matter. Our 3-axis milling setup is well suited to brackets, housings, plates, jigs, fixtures and precision mechanical components. We program every job in-house, selecting the right tooling, feeds and fixturing to balance surface finish, accuracy and cost. Tight tolerances down to +/- 0.05 mm are achievable on critical features, and we verify them with calibrated measuring equipment before parts leave the workshop. It is worth knowing the practical considerations of machining. Some geometries that are easy to 3D print, such as deep internal cavities or fully enclosed channels, can be difficult or impossible to machine, and very sharp internal corners are limited by tool diameter. Sharing your tolerances, material grade and intended use early lets us advise on the most cost-effective approach, and where a part is better suited to printing or casting we will tell you.

Why Global3D for CNC Machining

Perth-based Workshop

Locally machined in Western Australia with fast collection, direct communication and no overseas freight delays.

Quick Turnaround

Prototype parts are typically machined within a few business days, with rush options for urgent jobs.

Verified Accuracy

Critical dimensions are inspected with calibrated gauges, so every part is checked against your drawing.

Engineering Expertise

Decades of combined machining and design experience to advise on tolerances, materials and cost savings.

Wide Material Range

Aluminium, steel, brass and engineering plastics held in stock, sourced to suit your application.

End-to-End In-house

CAD review, CAM programming, machining, finishing and inspection are all handled under one roof.

Industries We Serve

Mining and resources
Oil and gas
Defence
Medical
Automotive
Marine
Architecture
Consumer products
Education and research
Robotics and automation

Frequently Asked Questions

Starting from

$100.00 AUD

per job — final price based on material, complexity & quantity