We recognise that quality and safety are crucial to our future prosperity.

Based just south of Sydney, Arex Precision Engineering is a full-service precision engineering service provider. For almost 30 years we have consistently delivered superior precision engineering solutions to the mining, rail and materials handling industries.

Arex Precision, originally Wilton Engineering Pty Ltd, was started in 1989 by Mitchell Heffernan to design and manufacture mechanical components and assemblies for a variety of industries. Since then, Mitch and the team have built a reputation for delivering high quality, creative solutions for clients.

Our focus on quality management, systems and outcomes ensured that Arex received ISO 9001 certification and today we diligently apply the necessary standards and quality management processes to deliver superior results that have customers coming back for more.

What We Do

From precision machine components to large complex assemblies and complete machines, Arex supplies an end-to-end precision engineering solution in-house. Our services encompass Mechanical Design, precision machining, fabrication (including painting or protective coating and assembly), detailing, delivery to your site and site installation. Our fully equipped workshop, qualified tradespeople and experience have helped us develop a reputation for superior results.

Core values

At Arex we believe in a work ethic that focuses on:

Whether it’s simple components you’re looking for, complex assemblies, complete machines or problem solving, Arex Precision are ready to advise and help you.  Contact us today to discuss your needs.

Quality Assured

Committed to applying quality assurance every step of the way.
Australian Standard

Arex has a fully documented and ISO-9001 certified Quality Management System. This ensures that all areas of the design process are managed according to industry standards, thereby reducing risks and delivering you with the best results possible.

Our Quality Management System

Conformance guarantee



Resource Management



We always aim to go that extra mile for our clients. Here are some of our happy customers.
  • Arex Precision has been the major supplier of Parts and Engineered Systems for Phoenix Systems Australia since 1992, when he opened his manufacturing facility in Picton. Together, Phoenix Systems and Arex Precision have been the supplier of engineered systems for the American Baler Company and IPS Balers that have been imported into Australia for applications in Solid Waste, Non  Ferrous Metal Recycling and Paper Recycling. Mitch is an innovative and extremely talented engineer with a unique ability to visualize and create working systems from concept to reality.

    – Phoenix Systems Australia, Director

  • Sumitomo Drive Technologies have been working with Arex for nearly six years. We are extremely satisfied with this alliance & have no hesitation in recommending Arex. Arex has been instrumental in the development of our conveyor drive assembly packages, this has enabled us to expand our business & in a competitive market has also helped to hold onto existing clients. We are also pleased with Arex’s approach to our industry, they continue to invested in equipment & staff that benefits our business. Sumitomo now consider Arex to be an integral part of its Australian operations.

    – Sumitomo Drive Technologies, National Engineering Manager

Get in touch today

Based just south of Sydney, Arex Precision is a full-service precision engineering service provider. For almost 30 years we have consistently delivered superior precision engineering solutions to the mining, rail and materials handling industries.