UK: The assumption that sourcing rolling stock components from overseas is always cheaper and therefore better value no longer holds, as rework, warranty claims and safety incidents end up costing far more than minor price differences, says Andrew McClusky, Managing Director of precision surface coating specialist BEP Surface Technologies.

Andrew McClusky Managing Director BEP Surface Technologies copy

Railway axles are a niche product, but they highlight the UK’s increasing dependence on overseas sources of precision-machined, safety-critical components, often from the USA or lower-cost economies in Eastern Europe and Asia. All too often UK manufacturers assume it will be cheaper or easier to source critical components abroad, when in reality the risks are mounting.

At BEP Surface Technologies, we recently assisted a leading European rail manufacturer facing a critical specification challenge. 

Acting on requirements issued by one of their major UK clients, the company was under pressure to deliver axle components with a surface waviness tolerance that no other UK supplier had achieved; multiple attempts had been made over several years, but none had succeeded.

The fallback was to outsource the work to the USA, but this was avoided when our team was able to develop and validate a repeatable surface-finishing process within a short time. By combining cylindrical grinding, micro-finishing and diamond burnishing, we delivered results that not only met the ultra-precise specification but also exceeded it, with a significant process capability margin.

The issue is more than just a technical inconvenience. Tiny irregularities on an axle’s surface can cause excessive bearing wear, vibration, and, in the worst cases, catastrophic failure. A single non-conforming component can seriously disrupt operations. We took on the challenge, and through a careful combination of process development, precise measurement and expert craftsmanship, our team at Radcliffe in Greater Manchester re-engineered the surface finishing process from the ground up. This delivered a surface finish smoother than industry standards and reproducible at production scale.     

This was more than a contract win. It was proof that British engineering can still surpass cheaper or larger overseas suppliers. The issue is not capability, but recognition.

Apparent savings vanish

For years, sourcing decisions were justified by perceived cost savings. However, the pandemic, ongoing geopolitical trade friction, rising transport costs and quality inconsistencies have compelled manufacturers to reconsider. When failures, lead-time delays or safety recalls occur, the apparent savings vanish.

The European rail company’s experience is emblematic. It cycled through multiple suppliers across continental Europe and beyond before turning to us. What followed was not just a technical fix, but a lesson in the value of domestic expertise.

The economic implications are significant. Reshoring even a modest proportion of high-precision component finishing work would strengthen domestic supply chains, reduce freight-related emissions, and retain value within the UK industrial economy. 

Reshoring also creates strategic resilience. Recent global shocks have made transparent how vulnerable extended supply chains are to disruption. By sourcing critical components locally, manufacturers gain agility, control, and accountability factors that are invaluable in industries where safety, certification, and traceability are paramount.

Our experience is that when manufacturers involve UK specialists early in the design and finishing phases, they benefit from both technical expertise and collaborative problem-solving. The knowledge held by legacy firms is an underappreciated asset of British industry that cannot be duplicated through outsourcing. It exists within companies that invest in apprenticeships, in-house R&D, and long-term partnerships with clients. 

If the UK is serious about rebuilding its industrial strength, the solution lies not in pursuing the lowest bidder abroad, but in supporting the precision engineers who have quietly sustained its reputation all along.

Rebuilding trust in British precision manufacturing is not a nostalgic exercise; it’s an economic imperative. As the UK pursues its industrial decarbonisation goals and seeks to strengthen supply chain sovereignty, there is a clear opportunity to revitalise its advanced manufacturing base.