
Precision CNC Turned Components & Sliding Head Machining Specialists
Bon Precision Engineering manufactures precision CNC turned components for customers across the UK and internationally. Operating Star and Citizen sliding head CNC machines from our Northamptonshire production facility, we specialise in complex turned parts, threaded inserts, dowel pins, taper pins, spacers and bespoke machined fasteners.
We support industries including marine, rail, energy, automotive, audio visual and industrial manufacturing, producing components in stainless steel, brass, aluminium and engineering plastics with a strong focus on quality, repeatability and fast turnaround times.
Discover Our Fastener Range
Our machining capabilities support components from 1mm to 26mm diameter, including miniature turned parts, threaded inserts, dowel pins, spacers and complex bespoke fasteners requiring tight tolerances and repeatable accuracy.
- Self-Tapping Inserts
- Thread Repair Inserts
- Dowel Pins
- Clevis Pins
- Taper Pins
- Custom Made Components
All components are manufactured to customer drawings or specifications using high-precision CNC machining processes.


Award Winning Precision Engineering
Bon Precision Engineering was named Best Precision Machining Company 2025 – East Midlands, recognising our commitment to quality CNC machining, customer service and British manufacturing excellence.




Why Choose Bon Precision Engineering?
- CNC Sliding Head Machining Specialists
- Fast Turnaround Times
- Prototype To Production Capability
- Tight Tolerance Machining
- Flexible Batch Quantities
- Responsive Customer Support
Industries We Support
Bon Precision Engineering supplies CNC turned components and subcontracting precision engineering services to customers across a wide range of industries, including:
- Marine Engineering
- Automotive
- Industrial Manufacturing
- Specialist Engineering
- Audio Visual
- Rail



Shop For Fasteners
Explore our selection of high-quality components and purchase fasteners online for fast, FREE delivery in the UK.
With user-friendly navigation, a secure checkout, and swift delivery, we're your one-stop shop for all your fastening needs. Experience efficiency and reliability with Bon Precision Engineering – where precision meets convenience.
Join our growing list of happy customers
Don’t just take our word for it, read what our customers say about Bon Precision Engineering. Our reputation and integrity mean everything, and we are proud to have received some great feedback from our customers.
Contact Us
Absolutely fantastic service, quality and value. We have had a number of different jobs of varying complexity and Bon Precision have delivered first-rate parts in extremely short lead times. It has been extremely refreshing to deal with a company who discuss all of the manufacturing options available so that you can reach the best possible solution. I thoroughly recommend their services and will definitely be using them again!

"Really impressed with the service, quality and delivery. We had an very important customer that we would potentially have had to let down but I contacted Bon Precision who machined some parts for us on a fast turnaround and which have saved the day, so to speak. Highly recommended."

Brilliant products, really helpful advice and very speedy delivery! These guys were a pleasure to deal with from start to finish. Thanks Bon, we’ll be back A+

Specialising in difficult jobs Bon Precision Engineering are a breath of fresh air. They listen, discuss the problem and come up with the solution in record time. Well done.

D&M Tech have worked with Bon Precision Engineering on several projects. They have produced a variety of CNC turned components for us, with fast turnaround times and excellent communication. We were particularly impressed when you managed to turn a component to 0.46mm diameter for a complex component. We’ve found Bon Precision Engineering to be very knowledgeable, helpful and easy to work with.

"Fabulous service and extremely helpful discussion on phone and by email to achieve the product I needed - with no fuss. Would highly recommend and will use Bon Precision next time."

Excellent service from John and the team at Bon Precision! With the requirement for some bespoke spacers to fit replacement solar panels, I approached John with the dimensions and requirement for the material to be aluminium. He came back with the initial order quickly having invested in specific tooling.They were such a success a further 1100 spacers were requested by our customer for use nationwide. These were manufactured very quickly and efficiently. We also now purchase our stainless fixings and specialist fixings through the Bon Precision team.

"On a search for threaded inserts, we were delighted to discover Bon Precision.We had a huge quantity order for a project in the Middle East, and the team at Bon Precision engaged fully and immediately with the project, sent a range of samples and designed a bespoke solution to our specific requirement. Our projects worldwide are hugely supported by the first-class service and commitment given by Bon Precision.”

“I've worked with Bon Precision both commercially and as a boat owning aficionado and can't recommend them highly enough.Their desire to fulfil your every requirement is legendary, complimenting perfectly their refreshingly efficient despatch and delivery times. A joy to do business with.”










