China Manufacturer10 5/8 Inch Steel Body PDC Drill Bit 6 Bladg For Oil Drilling Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd has more than ...
7 7/8 inch with 6 blades steel body PDC bit Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd has more than 20 years manufacturing and design .....
7 7/8 inch with 6 blades steel body PDC bit Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd has more than 20 years manufacturing and design .....
10 inch 3 Wings Step Type Water Well Drilling Drag Bit Tungsten Carbide Product Description 1. 3 - blade step type drat bit, made by alloy steel, with ...
Steel body PDC drill bit 122mm drilling for directional drilling clay sandstone Product Description This drill bit is designed with 3 straight blades ...
Factory Direct Supply 165mm 6 1/2inch steel body good pdc drill bit for sale Product Description Size of Rock Bit 165mm 6 1/2 inch blade 5 IADC S232 ....
China bit 4 wings 180mm pdc drag bit for water well drilling Product Description Size of Rock Bit 180mm blade 5 IADC S232 Thread Connection 4 1/2 API ...
Chian factory PDC cutter 133mm pdc drag bit for water well drilling Product Description Size of Rock Bit 112mm blade 3 IADC S232 Thread Connection WOB ...