Prototype machining services

High-precision results
Consistent quality
Proven manufacturing support

Penta Precision delivers reliable, high-quality prototype machining services to help you bring your ideas to life.

Our UK-based team combines precision machining with collaborative design support. You get machined prototypes that meet your specifications and help you move confidently to full production.

Our prototype CNC machining services

Our prototype machining services help you turn your ideas into high-quality physical parts. We use advanced CNC machining techniques to create precise and functional prototypes. You get reliable support from start to finish, whether you’re working with finalised CAD models or early-stage design sketches.

We handle everything from CNC milling prototypes to turning small-batch pre-production components. Our engineers bring deep expertise in CNC prototyping and prototype part design. You get consistent, accurate results that help you test, refine, and launch new products faster.

Our CNC machining prototype service also includes design advice and support. We review your files to ensure your parts are cost-effective to produce. You benefit from our experience in prototype machining UK projects that demand the highest standards.

CNC Milling for Prototypes

We use advanced CNC milling to produce CNC milling prototype parts with tight tolerances and excellent surface finishes. Our team has experience working with metals and plastics to create precise, repeatable prototypes.

We can work from 3D models like STEP or CAD, or 2D drawings like PDFs. If you only have sketches or samples, we can reverse engineer them into full machining drawings. Our engineers ensure each CNC machining prototype service meets your requirements.

Our modern CNC milling centres and quick-set tooling systems support tight timelines for prototype manufacturing UK projects. We prioritise efficient setups and reliable processes. This means you get your prototypes quickly, without compromising quality.

CNC Turning for Prototypes

Our prototype CNC turning services help you develop round and cylindrical parts for your next project. We combine modern CNC turning centres with manual lathes to deliver the best value and accuracy. This ensures your prototype CNC machining is completed to your exact needs.

We can handle both small prototype batches and one-off parts. Our team works with CAD/CAM software to achieve precise results. You can be confident your CNC machined prototypes are consistent, reliable, and fit for purpose.

We also work with basic sketches or samples to create precise machining drawings. Our experts provide advice on materials and design to get the best outcome.

Materials we machine

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Types of Prototype Parts We Machine

We produce a wide range of CNC prototypes and pre-production parts to suit your needs. Our prototype machining services cover everything from complex metal parts to lightweight engineering plastic components. You can rely on our experience to deliver parts that meet your exact requirements.

Here are some examples of the prototype parts we machine regularly:

Mounting & Structural Components

Base plates, Plates, Brackets, Beams, Bushes, Collars, Sleeves, and Spacers

Housings & Enclosures

Enclosures, Casings, Housings, Guards, and Handles

Functional Features & Assemblies

Tooling, Guide pullers, Guides, Flanges, Pressure vessels, Connectors, Pivots, Bearings, Pins, Latches, Hooks, Buttons, and Manifolds

Thermal & Performance Parts

Heatsinks, Arms, and Scraper blades

Medical & Precision Components

Surgical tools and components for surgical or medical machines

Custom Requests

If you need a prototype CNC milling or turning service for a part not listed here, please contact us to discuss your project.

Examples of our high-quality CNC machined components

Black anodised speaker component

Aluminium machining
CNC Milling
Aluminium 6082 T6 with black anodising

Electronic enclosure lid

Aluminium machining
CNC Milling
Aluminium 6082 T6 with Cerakote coating

Sealing die

Aluminium machining
CNC Milling
Coated aluminium 6082 T6

Paddle stirrer

Aluminium machining
CNC Turning
Aluminium 6082 T6 with natural sulphuric anodising

Rod

Brass machining
CNC Turning
Brass

Sequencing chamber

Aluminium machining
CNC Milling
Aluminium

Milled Aluminium Bracket

Aluminium machining
CNC Milling
Aluminium 7075

Bar Seal Die

Brass machining
CNC Milling
Brass

Heatsink

Aluminium machining
CNC Milling
Aluminium

Sensor Block

Copper machining
CNC Milling
Copper C101

Bronze Bushing

Bronze machining
CNC Turning
Bronze

Bronze Component with Thread

Bronze machining
CNC Turning
Phosphor Bronze

Aerospace tray table arm

Aluminium machining
CNC Milling
Aluminium L95

Aerospace side member

Aluminium machining
CNC Milling
Aluminium L168

Machined aerospace seating bracket

Aluminium machining
CNC Milling
Aluminium with RA0.8 blue anodising surface finish

Industries we help

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What our clients say

Leanne
Senior buyer at bicycle firm
We’ve worked with Penta on several complex projects, and their consistency and attention to detail have been second to none. The team is quick to respond and flexible.
Andrea
Buyer
Penta is highly recommended for their quality, responsiveness and customer service. We have experienced a lot of change with our parts and Penta has always accommodated the adjustments needed in a timely manner. The quality is 100%.
Mark
Senior buyer at coffee brand
The quality of the plastic mouldings you machined were exceptional.

More about CNC prototype machining

Article

Has pre-production exposed hidden problems? Solve your CNC prototyping challenges

CNC prototyping is an essential step in bringing your product to life. It lets you see how your design performs in the real world and identify issues early. However, turning that prototype into a production-ready part can be tougher than you think.

Common questions