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...

17.5 inch steel body PDC b

17.5 inch steel body PDC bit PDC drilling drag bit...

8inch 6 blades matrix body

8inch 6 blades matrix body spiral blades high speed pdc rock...

7 7/8inch 5blades pdc bit

7 7/8inch 5blades pdc bit ...

API 8 3/4 inch 4 Blades PD

API 8 3/4 inch 4 Blades PDC Bit Drilling Bit for Well Drilli...

PDC Bits 12 1/4 Inch M423

PDC Bits 12 1/4 Inch ...

API 9 1/2 inch PDC Bit Oil

API 9 1/2 inch PDC Bit Oil Drilling Bit ...

pdc bit 15 1/2 pdc bitstee

pdc bit 15 1/2 pdc bitsteel bitsteel body drilling 6 blades ...