• Delta 102
• Delta Tooling

In the field of Overburden Drilling Technology, the company Boart Longyear GmbH & Co.KG located in Eastern Hessen Germany, and its Overburden Drilling Division stand for development, design, production and worldwide marketing of Boart Longyear OD Systems includes particular products of the:

• Drive Drilling Method - rotary percussion drilling with hydraulic drifter
• Overburden Drilling Method - rotary percussion with hydraulic drifter rotary with DTH - rotary drilling with power rotary head and DTH
• Double Head Drilling Method - rotary/rotary percussion with hydraulic drifter rotary/rotary with DTH
• Jet Grouting Drilling Method - Jet grouting drilling - single type, double type, triple type
• Auger Drilling Method - rotary drilling with auger
• TwinDrive Thread