Multi Shot Moulding

With almost 40 years’ experience, AJ provides world-class manufacturing and related services in product design, tooling, project management, post-moulding operations and supply chain management. Injection moulding services we provide include multi-cavity, twin shot, over moulding, insert moulding and in mould labelling and decoration. Two Shot moulding or multi-shot moulding is a process where two or more materials are “overmoulded” within a single moulding cycle and must be processed on specialised moulding machines. The multi shot process allows you to increase product features, aesthetics as well as lower assembly costs. A typical product using this approach would be a soft touch handle on a medical device such as a stent delivery unit.

We manufacture high quality precision-machined moulds using the industry’s most up to date technology. We continually invest in our facility to deliver sophisticated moulds with exceptional repeatability and accuracy.

By adapting Operational Excellence techniques on the floor at the facility, we deliver a quick turn around on tool changes, real time production monitoring and a robust tool and maintenance programme. Using ‘design of experiments’, ‘window studies’ and other approaches for optimum processing conditions, our engineers have developed robust and reliable processes to deliver consistent product quality day after day, to achieve the maximum possible output for your tooling.

Our injection moulding services include

  • High cavitation tools
  • Fast cycling solutions
  • Clean room moulding where required
  • Complex hot runner systems for trouble free processing
  • Specialised injection moulding including multishot, overmoulding, insert moulding


  • Overmoulding completed in single moulding cycle
  • Both materials are bonded together by the process
  • Reduced assembly costs
  • Increased product features


  • Medical Device Delivery Handles
  • Handheld Medical Devices such as Inhalers
  • Power Tool Handles
  • Two colour component products


  • Medtech
  • Pharmaceutical
  • Consumer
  • Automotive


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