precision engineering capabilities

Precision Engineering Capabilities

With almost a century of experience, we are a leading global specialist in the cold forming and machining of customer specified components. Our unrivalled capability enables us to produce components of the highest quality and delivers the best possible results to our customers.

Precision Engineering Capabilities

Volumes and materials

Our volume capabilities range from one-off prototypes, small batch production of 50-100 parts, and large volume production up to 30 million units per year. We’re flexible to the needs of our customers, so our volume capabilities vary depending on factors such as component design, the chosen manufacturing process and customer deadlines.

We work with a wide range of ferrous and non-ferrous materials, sourced from experienced and reliable suppliers. We specialise in:

  • Copper
  • Aluminium
  • Brass
  • Nickel
  • Mild steel
  • Stainless steel

Processes and tolerances

Investment in advanced manufacturing equipment is at the heart of what we do. It enables us to meet the diverse and ever-changing requirements of our customers and deliver a total precision engineered solution. Our processes include:

The equipment we use, combined with the expertise and experience of our team, enables us to achieve dimensional tolerances that are within plus or minus two microns.


Since the early days of Dawson Shanahan, back in 1920 when we were an engine rebuilding business, we’ve expanded our services considerably and now service customers in almost every sector. This includes:


We work in accordance with a number of quality standards and quality tools to ensure we consistently meet and exceed the needs and expectations of our customers. This include:

  • ISO 9001
  • ISO 14001
  • TS 13485
  • APQP
  • cGMP
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