Product details
HEBEI CROSSING DRILL BIT MANUFACTURE
Product description
Single roller cone bit
size :8.5inch
IADC:537,617,637,737
Application:Core barrel with roller cone,cutter,tricone plam,to build hole opener,rock reamers
Formation:medium hard,hard rock: granite,shale,limestone
Foundation roller cones:
Message
HEBEI CROSSING DRILL BIT MANUFACTURE