5 5/8 inch iadc 547 tci t

5 5/8 inch iadc 547 tci tricone bit...

5 1/2 inch iadc737 tci tri

5 1/2 inch iadc737 tci tricone bit ...

8 1/2 inch IADC 517 tci t

8 1/2 inch IADC 517 tci tricone drill bit...

12 1/4 311.1mm tci tricone

12 1/4 311.1mm tci tricone roller rock bit...

6 3/4 inch tci tricone bit

6 3/4 inch tci tricone bit Roller cone Bit...

7 7/8 Inch TCI IADC 537 T

7 7/8 Inch TCI IADC 537 Tricone Bit...

7 1/2 inch 190.5mm TCI Tri

7 1/2 inch 190.5mm TCI Tricone Rotary Rock Bit...

8 1/2inch 215.9mm TCI too

8 1/2inch 215.9mm TCI tooth tricone drilling bit for rock...

17 1/2inch 444.5mm TCI tri

17 1/2inch 444.5mm TCI tricone rotary drill bit...

15 1/2 Inch IADC 537 Trico

15 1/2 Inch IADC 537 Tricone Rock Bit ...

7 7/8 inch 200MM TCI Trico

7 7/8 inch 200MM TCI Tricone Bit Tricone Roller Bit...

12 1/4 inch IADC 617 Hard

12 1/4 inch IADC 617 Hard Formation Oilfield Well Drill Bit...