45-55hrc Tungsten Carbide Tricone Roller Cone Drill Bits For Core Barrel Applicable layers: dense sand, gravel, hard rocks and very hard formation, .....
Carbide Clay Soil Flat Teeth use high grade alloy steel and tungesten carbide and adopt advancedbrazing technology to produce high quality, high wear ...
Drilling tools teeth rock teeth tungsten carbide alloy Due to space limitations, not all product details are displayed. For details, please consult .....