10 5/8 erath auger drill bit TCI bits(manufactory)

The 415 tci bits used to drill soft formations

Reet XS High Quality TCI Bit

TCI Tricone Roller Drill Bit

matrix body diamond PDC drill bits

pdc oil well drill bit

API 8 1/2" PDC Bit M322/1652G

PDC/PCD drill bit with high quality manufacturer

PDC 9 1/2 ZB1966

diamond core bits/matrix boday pdc

step drag bits inserted PDC (oil&geological drill exploring)

PDC non--core bits

HELLO there 8 1/2 PDC bit for oil well drilling or water well drilling

6 blades 12 1/4 311mmm pdc for drilling bits

76mm- 660mm PDC/PCD Drag Drill Bit

PDC with 5 wings and good quality manufacturer

152mm three wings PDC non- coring drill bit

PDC by API 9-1/2 8-1/2 12-1/4 12-1/2 16 17-1/2 4 or 5 or 6 blades for power mining machinary bits with new or used

12 1/4''GD1904 PDC Matrix Body Bit/pdc for drilling bits

API NEWEST 8-1/2" pdc 5wings