MACHINE TOOLS -
DDM Deep Hole Drilling Machine
Precision deep drilling with a custom-configured machine tailored to the specific requirements and material to be processed.
| Working range | NG11-420 | NG11-830 |
| N°spindles | 1 -2 - 4 | 1 -2 |
| Workpiece locking | 12/ 150 mm | 12/150 mm |
| Drilling diameter range min-max | 4÷20 mm | 8÷ 30 mm |
| Drilling depth max. | 500- 1000 mm | 500- 1000- 1500 mm |
| Spindle rotation [rpm] | 100 ÷6000 | 100 ÷4000 |
| Workpiece counter-rotation | 150 mm | 150 mm |
| Power Drilling spindle | 7,5 kW | 9 kW |
| Oil pressure max. (bar) | 80 (120 - 150 option) | 80 (100 option) |
| Oil flow ratio [l/min] | 80 | 80 |
A deep hole drilling machine is a specialized industrial drilling system engineered to create deep, accurate, and high-quality holes that traditional drilling machines cannot achieve. These machines are essential when holes require strict tolerances, excellent surface finish, and high repeatability.
At NG-Tech, our deep hole drilling machines combine advanced technology, robust design, and flexibility to deliver superior performance in demanding applications.
A deep hole drilling machine refers to any drilling equipment designed to bore holes where the depth significantly exceeds the diameter — often with deep-to-diameter ratios of 10:1, 20:1, or higher.
Unlike conventional drills, deep hole drilling machines use specialized drilling methods such as:
These techniques ensure precise chip removal, excellent cooling, and consistent straightness over long depths.
Our machines are capable of drilling extremely deep holes with unmatched Axial straightness, ideal for components like:
Advanced cooling and chip removal systems increase tool life, accuracy and reduce cycle times.
NG-Tech deep hole drilling machines can be customized for:
Drill deep holes with consistent diameters and straightness — critical in aerospace, automotive, oil & gas, and defense manufacturing.
Optimized coolant flow and quick change tooling reduce downtime and improve cycle time.
High tool life, efficient drilling strategies, and minimal defects contribute to lower total cost of ownership.
Capable of drilling steels, stainless steels, aluminum, titanium, and exotic alloys with superior results.
Deep hole drilling differs substantially from standard drilling:
With years of experience in industrial machine design and manufacturing, NG-Tech offers machines that stand out for:
Our deep hole drilling solutions are engineered for today’s most demanding production environments.
Frequently Asked Questions (FAQs)
A hole is typically considered “deep” when the depth is 10 times greater than the diameter or more.
Yes, with the correct tooling and settings, these machines can precisely drill through high-strength and heat-resistant alloys.
Absolutely — CNC control, automated loading, and integrated inspection systems are commonly available options.
Need more information?
Contact us now, we will find together the best solution for your business.
CHIAMACI PER TUTTE LE INFORMAZIONI TECNOFILL +39 0445 641928
