Product Specifications
5 7/8"- 6 7/8"
Customized
API, SGS
Tungsten Carbide
Well Drilling
149mm 152mm 165mm 171mm 174.625mm
3 1/2 API Reg, Pin
Rubber Sealed Bearing
Mud Circulation, 3-Jet Nozzles
Hardfacing & Flat Inserts
Soft, Medium Formation, Hard Rock
YINHAI
Ply Wooden Box/ Cartons
Hebei Province, China
8207199000