sell D1200MM Roller Bits Core Barrel with 8.5inch single roller bit for 100mpa-150mpa hard rock

D1200MM Roller Bits Core Barrel with 8.5inch single roller bit for 100mpa-150mpa hard rock D1200MM Roller Bits Core Barrel with 8.5inch single roller bit for 100mpa-150mpa hard rock D1200MM Roller Bits Core Barrel with 13inch single roller bit for 100mpa-150mpa hard rock D1000MM Roller Bits Core Barrel with 8.5inch single roller bit for 100mpa-150mpa hard rock D1000MM Roller Bits Core Barrel with 13inch single roller bit for 100mpa-150mpa hard rock D1500MM Roller Bits Core Barrel with 8.5inch single roller bit for 100mpa-150mpa hard rock D1500MM Roller Bits Core Barrel with 13inch single roller bit for 100mpa-150mpa hard rock D800MM Roller Bits Core Barrel with 8.5inch single roller bit for 100mpa-150mpa hard rock D800MM Roller Bits Core Barrel with 13inch single roller bit for 100mpa-150mpa hard rock D1800MM Roller Bits Core Barrel with 8.5inch single roller bit for 100mpa-150mpa hard rock D1800MM Roller Bits Core Barrel with 13inch single roller bit for 100mpa-150mpa hard rock 13inch single roller bit IADC637 match bauer ,soilmec casagrande core barrel 8 1/2 inch single roller bit IADC637 match bauer ,soilmec casagrande core barrel Roller Bits core barrel equipped with roller cutter bits Generally used to cut very hard fractured, hard rock formation with compressive strength up to (200 MPa). Kelly box: 130-150-200 – other available upon request roller bit: Single roller bit IADC 637 or IADC 737 – diam. 8.5 inch. Cutting ring with tungsten roller bits welded into the base ring of core barrel Roller bit core barrel 600mm /800mm/1000mm/1200mm/1500mm/1800mm/2000mm tianjin huachang xingye technology co ltd email info@tjdrilling.com