Precision deep hole drilling is a specialised machining process used when accuracy, straightness, and surface quality are critical. Unlike conventional drilling, this method is designed to create long, consistent bores where depth greatly exceeds diameter. For many industries, precision at this level is essential to component performance and reliability.
What Makes Deep Hole Drilling “Precision”?
Precision deep hole drilling focuses on maintaining tight tolerances over long distances. Even small deviations in alignment or surface finish can affect how a component functions. This is why deep hole drilling requires specialist equipment, controlled processes, and experienced engineers who understand how different materials behave during drilling.
LDC Engineering Ltd specialises in subcontract deep hole drilling, delivering accurate internal holes that standard machining methods cannot achieve.
Specialist Equipment and Drilling Capacity
A key factor in achieving precision is drilling capability. LDC Engineering provides deep hole drilling up to 68mm diameter to a depth of 2 metres. This capacity allows them to support demanding applications where straightness and consistency must be maintained throughout the full length of the bore.
In addition, LDC offers gun drilling up to 38mm diameter, with depths of up to 4 metres achievable on certain diameters. These combined services allow precision drilling across a wide range of component sizes and specifications.
Precision Across Simple and Complex Internal Features
Precision deep hole drilling is not limited to straightforward bores. LDC Engineering produces everything from simple heater holes to more complex multi-level water circuits. These applications require careful depth control, alignment, and internal accuracy to ensure correct flow, performance, and structural integrity.
This capability supports customers who require both standard and highly technical internal drilling solutions.
Material Knowledge Supports Accuracy
Maintaining precision also depends on understanding how materials respond to deep drilling. LDC Engineering machines a wide range of materials including duplex, stainless steel, mild steel, aluminium, copper, bronze, cast iron, cast steel, resin, nylon, and wood.
Each material requires specific drilling speeds, tooling approaches, and process control to achieve accurate, repeatable results without compromising surface quality.
Supporting Machining Services for Consistent Results
Precision deep hole drilling at LDC Engineering is supported by additional in-house machining services, including CNC milling, turning, radial drilling, and surface grinding. Their surface grinder includes a large table size of 1500mm x 500mm x 350mm, supporting accurate finishing where flatness and tolerance are critical.
This integrated approach helps ensure drilled components meet specification from start to finish.
Why Precision Matters
Precision deep hole drilling is essential in components where internal accuracy directly impacts performance, safety, or longevity. LDC Engineering Ltd delivers this level of precision through specialist drilling capability, material expertise, and controlled machining processes.
For precision deep hole drilling requirements, contact LDC Engineering to discuss your project with their experienced team.
Image: shutterstock.com