About us

St. Davids Assemblies Limited is one of the UK’s leading injection moulders, operating from a 33,000 square foot factory in Pembrokeshire. We supply customised high-precision technical mouldings for various markets including Automotive, Domestic, Military, and Medical. We are a certified ISO 9001 organisation, and have the highest environmental accreditation in Wales, Green Dragon 5.

Injection Moulding

Since the turn of the century we have established ourselves as one of the leading technical moulders in the UK. Our mould shop facility in Pembrokeshire comprises of more than 25 moulding machines, which includes high-tech fully electric DEMAG and Arburg machines with 25t to 580t capacity. We have the capability to mould a wide range of engineering and environmentally friendly polymers.

Metal Pressing

Our press shop comprises of several high-speed presses ranging from 25 tonnes to 40 tonnes capability, incorporating all the latest technologies. We operate high speed progression tooling up to 650 strokes per minute pressing brass, beryllium copper, stainless steels, bimetals and copper iron. We can also apply silver contacts to brass, beryllium copper, stainless steels and bimetals.

Assemblies

We take pride in our inhouse automation and hand assembly capabilities. We have been hand assembling products since 1951 and have very good insight into techniques that keep assembly times to a minimum. Since 1994, we have invested millions of pounds in bespoke automation which has been tailored to the customer requirements. Our expertise in these areas ensures we can provide an optimised assembly solution.

Printing

We have an inhouse printing facility as a finishing and value added service. We can offer screen printing, cylindrical printing, pad printing, rotary pad printing and airbrushing. In addition we can integrate laser marking for product traceability into your automation. Typically we consider this service supplementary to our other offerings.

Clean Room

We have two clean rooms on site, one Class 10,000 (ISO class 7) certified, the other class 100,000, (ISO Class 9). We are FDA 21 CFR 820 certified for manufacturing of medical devices in addition to ISO13485.

Engineering and Design Show 2024

Stand B34

October 9, 2024 to October 10, 2024

St Davids Assemblies is exhibiting at the Engineering Design Show at the Coventry Building Society Arena, join us there to see what we can do for you! Stand B34

Southern Manufacturing Exhibition 2025

Stand E110

February 4, 2025 to February 6, 2025

St Davids Assemblies is exhibiting at the Southern Manufacturing Exhibition at the Farnborough International Exhibition and Conference Centre, join us there to see what we can do for you!

Two More machines added to range

August 22, 2024

we have moved a 100t twin shot machine from our factory in China into SDA and bought a 100t Machine to replace a worn out Arburg injection moulding machine. the twin shot machine will be a back up for one of our existing machines

Engineering and Design Show 2024

August 22, 2024

St Davids Assemblies is exhibiting at the Engineering Design Show at the Coventry Building Society Arena, join us there to see what we can do for you! Stand B34

Southern Manufacturing Exhibition 2025

August 1, 2024

St Davids Assemblies is exhibiting at the Southern Manufacturing Exhibition at the Farnborough International Exhibition and Conference Centre, join us there to see what we can do for you!

Technical Moulding Manager position filled

August 1, 2022

Graham Croudace has been appointed Technical Moulding Manager at SDA, Graham comes with a sound technical background in Injection moulding with Years of Automotive injection moulding experience. Lately Graham has been on board as a contractor at SDA encompassing NPI and training, these roles will still be part of his remit as will the running […]