Delivering quality precision engineered parts and plastic moulding every time.
Stonehill Engineering, Precision Tooling & Injection Moulding
+44 (0)1480 435302


Expertise & Quality

Delivering Engineering Success

Stonehill Engineering combines the hands-on experience and skills of a traditional engineering business with input from a team of highly qualified design and project engineers and the use of state-of-the-art equipment.

We offer a wide range of services including design, prototyping, full-scale production, one-off production, tooling, mould production and plastic moulding services.

Quality is of paramount importance and we have a dedicated Quality Control team who ensure that every order is produced to give our customers complete confidence and satisfaction. We are accredited to ISO9001:2008 and operate a continuous improvement policy across the business.

We have an expert team of Engineers and CNC Programmers and Operators and we are proud of our highly successful Apprenticeship programme to mentor and develop tomorrow’s engineers.

Over the past 5 years an investment programme has resulted in the acquisition of three Five-Axis machines to increase production capability and capacity in our Huntingdon factory. In August 2018, we took delivery of our latest piece of equipment, a Transfer Moulding Machine.

The Stonehill Engineering team work closely with clients and offer a complete service, from design, project management, prototyping, testing and production.

Current repeat projects include producing tooling, moulds and machined parts for highly sophisticated instrumented and certified Crash Test Dummies, serial production of knee ligaments for pedestrian safety testing, machining custom one-off parts for new UK production model 400cc motorcycles, and full-scale production of a plastic formed vehicle sign system.


We give our customers the professional touch in the following areas:


Design and Development: via our dedicated team - offering concept through to production

CNC Machining/Conventional Machining: in all areas including milling and turning- providing total production needs

Low to Mid Volume Injection Moulding: we offer that flexibility whether it's 50 parts you need or 50000!

Custom Parts: Those long forgotten components for your much-loved car or motorcycle from either a drawing/sketch or your broken/worn part itself.

Toolmaking: We offer two toolmaking options:

  • Rapid prototype aluminium tooling (RPAT), with guaranteed fast lead times and giving you the customer first hand products to continue the design and/or fit and function tests while production tooling is manufactured.
  • Discounted quality tools made in China with the convenience of UK handling. We deal direct with you and our China toolmakers, handling all issues during production. This is then fully backed up in the UK for modifications/repairs to the tooling.
    We aim to be a one stop tooling package provider.

If you need a quotation, have a project that we can help with, or are looking for a reliable partner for a long-term full-scale production project, please contact us to see how we can help. Email us at

Stonehill Engineering can offer a complete part production process with facilities all under one roof.

T: +44 (0)1480 435302
F: +44 (0)1480 450181