Product Specifications
12-1/4 inch
Customized
API
Jobber-length
Core Drill Bit
Tungsten Carbide
Well Drilling
Chuan8-3CBS/4CBS
20-100
40-150
16mm
6-10
2"-3.5"
Ruishi
Plywood Box and Ad Required
8-1/2 inch
China, Cangzhou
820719