8.5inch Single Roller Bit IADC 637 or IADC 737 Used for 100MPa Hard Rock for Rol
Information
8.5inch single roller bit IADC 637 or IADC 737 USED for 100mpa hard rock for roller bit core barrelRoller Bits Core Barrel
Main application:-
core barrel equipped with roller cutter bits
Generally used to cut very hard fractured, hard rock formation with compressive strength up to (200 MPa).
Features:-
Kelly box: 130-150-200 - other available upon request
Teeth: Single roller bit c/w bearing and carbide insert IADC 637 or IADC 737 - diam. 8.5 inch.
Cutting ring with tungsten roller bits welded into
the base ring of core barrel.
Wear protection: hard facing (standard)
or wear stripe (optional)
Tianjin huachang xingye technology co ltd
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