1.
3 3/4"IADC 211 STEEL TOOTH STANDARD ROLLER BEARING 3CONE ROCK BIT WITH 2 3/8"API REG PIN CONNECTION WITH 1”CENTER HOLE WITHOUT JET NOZZLES
2.Bit name:tricone bit,silled tooth tricone bit,steel tooth tricone bit
3.all size available in our factory
4.strong structure
3 3/4"IADC 211 STEEL TOOTH STANDARD ROLLER BEARING 3CONE ROCK BIT WITH 2 3/8"API REG PIN CONNECTION WITH 1”CENTER HOLE WITHOUT JET NOZZLES
2.Bit name:tricone bit,silled tooth tricone bit,steel tooth tricone bit
3.all size available in our factory
4.strong structure