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Robinsons Precision Engineering

Trepanning Services

Large Diameter Trepanning for Heavy-Duty Engineering

At Robinsons Precision Engineering, we provide specialist trepanning services designed for large-scale steel and alloy components. Trepanning is a deep hole boring technique that removes a solid core, making it an ideal solution when traditional drilling is inefficient or cost-prohibitive for large diameters.

Large cylinder cut with Trepanning

Why Choose Trepanning?

Trepanning offers several advantages over conventional drilling, especially in heavy engineering applications:

Heavy Duty Steel Turning - large output of cylinders

TREPANNING Capacity

Manufacturer Max Diameter
with Steady
Max Length
with Steady
Max Diameter
without Steady
Max Length
without Steady
VDF860mm3000mm1065mm600mm

Our advanced machinery and skilled technicians ensure that each project meets stringent quality standards, delivering components that perform reliably under the most demanding conditions.

Industries Served

We understand the critical nature of components in these sectors and are committed to delivering products that meet or exceed industry standards.

engineering for the energy industry

Oil & Gas

Components for exploration and extraction equipment

engineering for renewable energy

Renewable Energy

Parts for wind turbines and hydroelectric systems

nuclear power station

Nuclear Power

Precision components for reactors and support systems

iron and steel factory heavy indsutry

Heavy Industry

Machinery parts requiring deep hole boring

deep hole boring for warship manufacture defence industry .webp

Defence

Precision machining for critical defence components, built to exacting standards and specifications.

deep hole boring for Large trucks automotive industry .webp

Automotive

High-accuracy metalworking for drivetrain, chassis, and performance-critical automotive parts.

CNC turned parts to a high degree of quality control

Decades of Experience in Large Component Machining

Our engineers have years of experience handling oversized steel components for industries that demand precision, strength, and repeatability. Whether you’re preparing for honing, welding, or final machining — our trepanning services help you get there faster and cleaner.