89mm stepped 3 wings Drag Drill Bit 3 1/2 inch for drill pipe 76mm2019-08-14 15:20:16 |
6'' - 152mm Blue Api 2 3/8'' Reg Chevron Bits For Water Well Drilling2019-08-14 15:20:16 |
Full Size Tungsten Carbide Inserts Three Wing Drag Bits For Soft Drilling2022-07-15 11:33:03 |
171mm 4 Wings Chveron Drag Bits With 3 1/2'' API REG Pin2020-12-15 11:42:27 |
Geothermal Drilling 178mm Drag Drill Bit With 3 1/2'' API REG Pin Thread2020-12-15 11:47:54 |
165mm Chevron Drag Drill Bit 6.5 Inch API 3 1/2" For Mining2019-08-14 15:20:16 |
Tungsten Carbide Chevron Bit2021-01-15 11:56:30 |