Drilling in very hard rock with hardness more than 100Mpa
Drilling Diameter: 500mm-2500mm
Teeth type: Roller Bit IADC637 8.5"
Wear protection: Hard Facing (standard)
Kelly box type: 130mm*130mm, 150mm*150mm, 200mm*200mm
Compatible with Bauer BG, Soilmec SR, Casagrande, Mait, IMT, CMV, XCMG, Sany, Zoomlion rotary drilling rigs and others.
Other specifications are available upon requests.