Information
Main application:-
Generally used for cutting medium-hard rock formation, and combined with fines and coarse soil formation medium rock (5 ¨C 50 Mpa).
very suitable in fractured rock.
and for bigger diameters,
Features:-
Kelly box: 130-150-200 ¨C other available upon request
Teeth: round shank picks B47K22H or B40K12 other available upon request.
Side cut collar plate with round shank picks.
without pilot bit
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Tianjin huachang xingye technology co ltd email info@tjdrilling.com whatsapp 008618902059907
