IADC117/217 IADC437/517/537/637
Customized
API, SGS
Tungsten Carbide
Well Drilling
Rubber Sealed Journal Bearing
216mm 222mm
Hardmetal with Ovoid Inserts
4 1/2" API Reg
117/217/317 437/517/537/637
YINHAI
Ply Wooden Box/Carton
35-40kg
Cangzhou City, Hebei Province, China
8207199000