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Introducing DORA: The Manual Drilling Solution for Trenchless Construction

At Stern Technic, we are committed to providing innovative solutions that simplify complex tasks. Our latest product, DORA, is a versatile manual drilling system designed to make trenchless construction more efficient and effective. With its modular extruders and straightforward operation, DORA is set to revolutionize how we approach manual drilling projects.

What is DORA?

DORA is a manual drilling system composed of interconnected extruders that can be easily assembled to drill into the ground. The system is operated using a cordless drill, providing users with full control over the drilling process. DORA is designed to be highly effective in various trenchless construction applications, making it an essential tool for professionals in the field.

Key Features and Benefits

  • Simple Assembly: DORA’s modular design allows for quick and easy assembly, enabling users to start drilling with minimal setup time.

  • Manual Operation: With a cordless drill, users can manually control DORA, ensuring precision and accuracy in every project.

  • Durability: Built to withstand the demands of trenchless construction, DORA is made from high-quality materials that ensure long-lasting performance.

  • Versatile Applications: DORA is ideal for various drilling tasks, from creating pathways for cables to conducting soil analysis.

Applications of DORA

  1. Cable Pathway Creation: DORA simplifies the process of creating pathways for cable installation, ensuring a smooth and efficient operation.

  2. Soil Analysis: Use DORA for precise soil sampling and analysis, providing valuable data for construction projects.

  3. Manual Drilling Projects: Perfect for any project that requires manual drilling, DORA offers the versatility needed for a wide range of applications.


  • Maximum Torque: 10 Newton meters

  • Weight: 14 kilograms for a three-meter reach

  • Diameter: 30 millimeters

Future Developments

At SternTechnic, we are always looking to improve our products. Future enhancements to DORA will focus on increasing its efficiency and expanding its range of applications, ensuring that it remains a top choice for manual drilling in trenchless construction.


DORA is a groundbreaking solution for manual drilling in trenchless construction. Its modular design, manual operation, and versatility make it an essential tool for a variety of applications. At SternTechnic, we are excited to see how DORA will continue to support our clients in achieving their goals and advancing their projects.

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