Diam 8.5 inch Single roller bit c/w bearing and carbide insert IADC 637 or IADC 737
8 1/2 inch roller bit IADC637 OR IADC737 match soilmec roller bit core barrel.

diam8.5 inch Single roller bit  IADC 637 or IADC 737 match soilmec roller bit core barrel

8 1/2 inch Screw-on type roller bit match bauer type roller bit core barrel

Diam 8.5 inch Screw-on type roller bit match bauer type roller bit core barrel

8 1/2 inch replace type roller bit match bauer type roller bit core barrel

Diam 8.5 inch replace type roller bit match bauer type roller bit core barrel

12 1/2 inch roller bit IADC637 OR IADC737 match soilmec roller bit core barrel

13 inch roller bit IADC637 OR IADC737 match soilmec roller bit core barrel

13 inch roller bit IADC637 OR IADC737 match bauer roller bit core barrel

core barrel equipped with roller cutter bits
Generally used to cut very hard fractured, hard rock formation with compressive strength up to (200 MPa)

Tianjin huachang xingye technology manufacture 8 1/2 inch roller bit IADC637 OR IADC737 match soilmec roller bit core barrel.

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