Specifications Specifications hole opener, Tricone Roller bit /TCI /PDC drill bit 1.Sizes rang from 3 7/8 -26 2.Cover all all IADC code Payment terms: ...
Specifications Specifications hole opener, Tricone Roller bit /TCI /PDC drill bit 1.Sizes rang from 3 7/8 -26 2.Cover all all IADC code Payment terms: ...