Product Specifications
11-5/8" IADC 637
Customized
API
Jobber-length
Center Drill Bit
High Carbon Steel
Well Drilling
Gold and Black
Alloy, PDC
Customized
Three Nozzles
Plain Bearing
Rubber
6-7/8" Reg
0.75-1.2
70-40
Ruishi
Plywood Box, Iron Box or as Required
11-5/8"
China, Cangzhou
820719