Place of Origin
Hebei, China
Model Number
all sizes,international IADC model
Machine Type
Drilling Equipment
Material
tci ,carbon steel,tungsten carbide,alloy steel
color
blue,red,black,green,golden
Bearing Type
Metal sealed bearing or rubber bearing
Working Hours
more than 100 hours
Gague Protection
Tungsten Carbide
Model Number
cover all IADC CODE