8 1/2 inch IADC 517 tci tr

8 1/2" IADC 517 tci tricone bit...

7 1/2 IADC 537 tci tricon

7 1/2" IADC 537 tci tricone bit...

6 inch IADC 637 tricone bi

6" IADC 637 tricone bit...

6 inch IADC 537 tci tricon

6" IADC 537 tci tricone bit...

6 inch IADC 517 tci tricon

6" IADC 517 tci tricone bit...

4 1/2 inch IADC 537 tci tr

4 1/2" IADC 537 tci tricone bit...

tricone roller cone drill

tricone roller cone drill bits / steel tooth drill bit for ...

114.3 mm 4 1/2 inch IADC51

114.3 mm 4 1/2 inch IADC517 TCI tricone bit...

5 inch IADC 637 tricone b

5 inch IADC 637 tricone bit drilling for hard rock...

4 3/4 Inch IADC537 Tricone

4 3/4 Inch IADC537 Tricone Bit,API Tricone Rock Roller Drill...

6 1/2 inch IADC 517 medium

6 1/2 inch IADC 517 medium hard rock tci tricone drill bit,...

6 3/4 inch IADC537G TCI tr

6 3/4 inch IADC537G TCI tricone bit for drilling water wells...