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...

8 1/2inch Single roller co

8 1/2inch Single roller cone rock drill bit for piling bit...

9 1/2 inch IADC537 Replace

9 1/2 inch IADC537 Replaceable Single Roller Cone...

API 12 1/4 inch IADC537 Si

API 12 1/4 inch IADC537 Single roller cutter tricone bit...

API 8 3/4 PDC Bit Oil Dril

API 8 3/4 PDC Bit Oil Drilling Bit for Drilling...

API 6 1/2 inch 5 Blades St

API 6 1/2 inch 5 Blades Steel Body PDC Bit Oil well drilling...